There are 7 ways to get from UNION STATION station to Old Post Office by plane, bus (Greyhound, Flixbus), train (Amtrak), car, subway, train, or bus (Greyhound)
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly to Ronald Reagan Washington National Airport
best- Fly from Lambert–St. Louis International Airport (STL) to Ronald Reagan Washington National Airport (DCA)plane STL - DCA
3h 57m$166–386Fly to Baltimore-Washington International Airport, train, subway
cheapest- Fly from Lambert–St. Louis International Airport (STL) to Baltimore-Washington International Airport (BWI)plane STL - BWI
- Take the train from BWI Thurgood Marshall to New Carrollton Amtrak Stationtrain
- Take the subway from New Carrollton, Orange Line Center Platform to Federal Triangle, Blue/Orange/Silver Line Center Platformsubway
4h 54m$126–666Bus via Pittsburgh
- Take the bus from St Louis Bus Station to Pittsburgh Intermodal Stationbus Greyhound US0421
- Take the bus from Pittsburgh Intermodal Station to Washington Union Stationbus Greyhound US0164 / ...
19h 20m$138–263Train (Amtrak)
- Take the train from St. Louis to Chicago Union Stationtrain Lincoln Service / ...
- Take the train from Chicago Union Station to Rockville Amtraktrain Floridian
23h 21m$334–687Drive 803.8 mi
- Drive from UNION STATION station to Old Post Officecar 803.8 mi
14h 9m$147–212Fly to Washington Dulles International Airport, subway
- Fly from Lambert–St. Louis International Airport (STL) to Washington Dulles International Airport (IAD)plane STL - IAD
- Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Federal Triangle, Blue/Orange/Silver Line Center Platformsubway
4h 34m$184–1,006Bus
- Take the bus from St Louis Bus Station to Harrisburg Bus Stationbus Greyhound US0421
- Take the bus from Harrisburg Bus Station to Washington Union Stationbus Greyhound US0430
24h 6m$216–297
UNION STATION station to Old Post Office by foot and bus
Questions & Answers
The cheapest way to get from UNION STATION station to Old Post Office is to bus via Pittsburgh which costs $130 - $270 and takes 19h 20m.
The fastest way to get from UNION STATION station to Old Post Office is to fly which takes 3h 57m and costs $160 - $390.
No, there is no direct bus from UNION STATION station station to Old Post Office. However, there are services departing from St Louis Bus Station and arriving at E St NW+11 St NW via Pittsburgh Intermodal Station and E St NE+Columbus Circle NE. The journey, including transfers, takes approximately 19h 20m.
No, there is no direct train from UNION STATION station to Old Post Office. However, there are services departing from St. Louis and arriving at Metro Center, Red Line Track 1 Platform via Chicago Union Station and Rockville, Red Line Center Platform. The journey, including transfers, takes approximately 23h 21m.
The distance between UNION STATION station and Old Post Office is 742 miles. The road distance is 808.5 miles.
The best way to get from UNION STATION station to Old Post Office without a car is to bus via Pittsburgh which takes 19h 20m and costs $130 - $270.
It takes approximately 3h 57m to get from UNION STATION station to Old Post Office, including transfers.
UNION STATION station to Old Post Office bus services, operated by Jefferson Lines, depart from St Louis Bus Station.
UNION STATION station to Old Post Office train services, operated by Amtrak, depart from St. Louis station.
The best way to get from UNION STATION station to Old Post Office is to fly which takes 3h 57m and costs $160 - $390. Alternatively, you can bus via Pittsburgh, which costs $130 - $270 and takes 19h 20m, you could also train, which costs $330 - $700 and takes 23h 21m.
What companies run services between UNION STATION station, MO, USA and Old Post Office, DC, USA?
American Airlines, Southwest Airlines, and Delta fly from Lambert–St. Louis International Airport (STL) to Ronald Reagan Washington National Airport (DCA) every 3 hours. Alternatively, you can take a vehicle from UNION STATION station to Old Post Office via St Louis Bus Station, Pittsburgh Intermodal Station, Washington Union Station, E St NE+Columbus Circle NE, and E St NW+11 St NW in around 19h 20m.
- Website
- southwest.com
Flights from Lambert–St. Louis International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 2h
- When
- Every day
- Estimated price
- $150–750
Flights from Lambert–St. Louis International Airport to Ronald Reagan Washington National Airport via Columbus
- Ave. Duration
- 3h 45m
- When
- Monday, Thursday, Friday, and Saturday
- Estimated price
- $150–800
Flights from Lambert–St. Louis International Airport to Ronald Reagan Washington National Airport via Nashville
- Ave. Duration
- 3h 50m
- When
- Tuesday, Wednesday, Sunday, Monday, Thursday, and Friday
- Estimated price
- $160–800
Flights from Lambert–St. Louis International Airport to Ronald Reagan Washington National Airport via Chicago Midway
- Ave. Duration
- 3h 56m
- When
- Tuesday, Wednesday, and Saturday
- Estimated price
- $170–850
Flights from Lambert–St. Louis International Airport to Baltimore-Washington International Airport
- Ave. Duration
- 2h 1m
- When
- Every day
- Estimated price
- $120–650
Flights from Lambert–St. Louis International Airport to Baltimore-Washington International Airport via Chicago Midway
- Ave. Duration
- 4h 3m
- When
- Sunday, Tuesday, and Wednesday
- Estimated price
- $140–700
Flights from Lambert–St. Louis International Airport to Baltimore-Washington International Airport via Nashville
- Ave. Duration
- 4h 13m
- When
- Tuesday to Friday
- Estimated price
- $140–700
Flights from Lambert–St. Louis International Airport to Baltimore-Washington International Airport via Detroit
- Ave. Duration
- 4h 5m
- When
- Tuesday and Wednesday
- Estimated price
- $140–700
Flights from Lambert–St. Louis International Airport to Baltimore-Washington International Airport via Raleigh/Durham
- Ave. Duration
- 4h 40m
- When
- Monday, Thursday, and Friday
- Estimated price
- $140–700
- Website
- delta.com
Flights from Lambert–St. Louis International Airport to Ronald Reagan Washington National Airport via Detroit
- Ave. Duration
- 3h 58m
- When
- Every day
- Estimated price
- $160–850
Flights from Lambert–St. Louis International Airport to Washington Dulles International Airport via Detroit
- Ave. Duration
- 4h 42m
- When
- Every day
- Estimated price
- $100–550
Flights from Lambert–St. Louis International Airport to Baltimore-Washington International Airport via Detroit
- Ave. Duration
- 4h 2m
- When
- Every day
- Estimated price
- $140–700
- Website
- aa.com
Flights from Lambert–St. Louis International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 2h 22m
- When
- Every day
- Estimated price
- $150–750
- Website
- united.com
Flights from Lambert–St. Louis International Airport to Washington Dulles International Airport
- Ave. Duration
- 2h 10m
- When
- Every day
- Estimated price
- $95–490
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from St. Louis to Chicago Union Station
- Ave. Duration
- 4h 55m
- Frequency
- 5 times a day
- Estimated price
- $90–190
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Rockville Amtrak
- Ave. Duration
- 16h 41m
- Frequency
- Once daily
- Estimated price
- $240–500
- Website
- https://www.amtrak.com/home.html
Train from BWI Thurgood Marshall to New Carrollton Amtrak Station
- Ave. Duration
- 26 min
- Frequency
- Hourly
- Estimated price
- $6–14
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 202 466 3876
- Website
- wmata.com
Subway from Washington Dulles International Airport, Silver Line Center Platform to Federal Triangle, Blue/Orange/Silver Line Center Platform
- Ave. Duration
- 50 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- $2–3
Subway from New Carrollton, Orange Line Center Platform to Federal Triangle, Blue/Orange/Silver Line Center Platform
- Ave. Duration
- 25 min
- Frequency
- Every 10 minutes
- Estimated price
- $2–3
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- $2–3
- Phone
- 1-866-743-3682
- Website
- mta.maryland.gov
Train from BWI Thurgood Marshall to New Carrollton Amtrak Station
- Ave. Duration
- 26 min
- Frequency
- Hourly
- Estimated price
- $2–8
- Website
- https://www.mta.maryland.gov
- Standard Fare
- $2–8
- Phone
- +1-858-800-8898
- Website
- jeffersonlines.com
Bus from St Louis Bus Station to Pittsburgh Intermodal Station
- Ave. Duration
- 12h 55m
- Frequency
- 3 times a day
- Estimated price
- $130–190
- Book at
- https://www.jeffersonlines.com
- Adult
- $130–190
Bus from Pittsburgh Intermodal Station to Washington Union Station
- Ave. Duration
- 5h 5m
- Frequency
- 4 times a day
- Estimated price
- $60–90
- Book at
- https://www.jeffersonlines.com
- Adult
- $60–90
Bus from St Louis Bus Station to Harrisburg Bus Station
- Ave. Duration
- 19h 20m
- Frequency
- 3 times a day
- Estimated price
- $170–250
- Book at
- https://www.jeffersonlines.com
- Adult
- $170–250
Bus from Harrisburg Bus Station to Washington Union Station
- Ave. Duration
- 3h 15m
- Frequency
- Once daily
- Estimated price
- $35–50
- Book at
- https://www.jeffersonlines.com
- Adult
- $35–50
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- greyhound.com
Bus from St Louis Bus Station to Pittsburgh Intermodal Station
- Ave. Duration
- 13h 55m
- Frequency
- 3 times a day
- Estimated price
- $95–190
- Website
- https://www.greyhound.com/
Bus from Pittsburgh Intermodal Station to Washington Union Station
- Ave. Duration
- 5h 5m
- Frequency
- 4 times a day
- Estimated price
- $35–75
- Website
- https://www.greyhound.com/
Bus from St Louis Bus Station to Harrisburg Bus Station
- Ave. Duration
- 19h 20m
- Frequency
- 3 times a day
- Estimated price
- $130–250
- Website
- https://www.greyhound.com/
Bus from Harrisburg Bus Station to Washington Union Station
- Ave. Duration
- 3h 15m
- Frequency
- Once daily
- Estimated price
- $18–35
- Website
- https://www.greyhound.com/
- Phone
- +1 (855) 626-8585
- Website
- https://www.flixbus.com
Bus from Pittsburgh Intermodal Station to Washington Union Station
- Ave. Duration
- 5h
- Frequency
- 6 times a week
- Estimated price
- $35–65
- Schedules at
- flixbus.com
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More Questions & Answers
UNION STATION station to Old Post Office bus services, operated by Jefferson Lines, arrive at Pittsburgh Intermodal Station.
UNION STATION station to Old Post Office train services, operated by Amtrak, arrive at Chicago Union Station.
Yes, the driving distance between UNION STATION station to Old Post Office is 809 miles. It takes approximately 14h 9m to drive from UNION STATION station to Old Post Office.
There are 1526+ hotels available in Old Post Office.



















