There are 8 ways to get from Princeton to Potomac by train (Amtrak), bus (Flixbus), car, train, plane, bus, or subway
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Train (Amtrak)
best- Take the train from Trenton to Washington Union Stationtrain Northeast Regional / ...
4h 57m$47–113Drive 183.7 mi
cheapest- Drive from Princeton to Potomaccar 183.7 mi
3h 37m$34–49Bus (Flixbus)
- Take the bus from New Brunswick to Washington Union Stationbus FlixBus 2609 / ...
7h 23m$43–63Train to Newark Liberty International Airport, fly to Ronald Reagan Washington National Airport
- Take the train from Princeton Jct. to Newark Airport Railroad Stationtrain
- Fly from Newark Liberty International Airport (EWR) to Ronald Reagan Washington National Airport (DCA)plane EWR - DCA
5h 8m$936–1,653Train, bus
- Take the train from Trenton Transit Center to Suburban Stationtrain Tre
- Take the bus from Philadelphia, PA to Washington, DCbus Washington
8h 33m$51–118Train to Newark Liberty International Airport, fly to Washington Dulles International Airport, subway
- Take the train from Princeton Jct. to Newark Airport Railroad Stationtrain
- Fly from Newark Liberty International Airport (EWR) to Washington Dulles International Airport (IAD)plane EWR - IAD
- Take the subway from Washington Dulles International Airport, Silver Line Center Platform to Metro Center, Blue/Orange/Silver Line Center Platformsubway
5h 52m$476–1,552Train to Laguardia Airport, fly to Ronald Reagan Washington National Airport
- Take the train from Princeton Jct. to New York Penn Stationtrain
- Fly from Laguardia Airport (LGA) to Ronald Reagan Washington National Airport (DCA)plane LGA - DCA
6h 45m$105–657Train to Philadelphia International Airport, fly to Ronald Reagan Washington National Airport, subway, bus
- Take the train from Princeton Junction Amtrak Station to 30th Street Stationtrain
- Fly from Philadelphia International Airport (PHL) to Ronald Reagan Washington National Airport (DCA)plane PHL - DCA
- Take the subway from Gallery Place, Red Line Track 2 Platform to Friendship Heights, Red Line Center Platformsubway
- Take the bus from Friendship Heights+Bay J to Falls Rd+Glenolden Rdbus
6h$972–1,348
Princeton to Potomac by bus, train, and subway (Amtrak)
Comparing Your Travel Options
The cheapest way to get from Princeton to Potomac is to drive which costs $30 - $50 and takes 3h 37m.
The fastest way to get from Princeton to Potomac is to drive which takes 3h 37m and costs $30 - $50.
No, there is no direct bus from Princeton to Potomac. However, there are services departing from Nassau St & S Tulane St - Palmer Square and arriving at Falls Rd+Glenolden Rd via New Brunswick, Massachusetts Av NE+1 St NE, Wisconsin Av NW+Albemarle St NW and Friendship Heights+Bay J. The journey, including transfers, takes approximately 7h 23m.
No, there is no direct train from Princeton to Potomac. However, there are services departing from Trenton and arriving at Friendship Heights, Red Line Center Platform via Union Station, Red Line Center Platform. The journey, including transfers, takes approximately 4h 57m.
The distance between Princeton and Potomac is 196 miles. The road distance is 184.8 miles.
The best way to get from Princeton to Potomac without a car is to train which takes 4h 57m and costs $45 - $120.
It takes approximately 4h 57m to get from Princeton to Potomac, including transfers.
Princeton to Potomac bus services, operated by Flixbus USA, depart from New Brunswick station.
Princeton to Potomac train services, operated by Amtrak, depart from Trenton station.
The best way to get from Princeton to Potomac is to train which takes 4h 57m and costs $45 - $120. Alternatively, you can bus, which costs $40 - $65 and takes 7h 23m.
What companies run services between Princeton, NJ, USA and Potomac, Montgomery County, MD, USA?
Amtrak operates a train from Trenton to Washington Union Station hourly. Tickets cost $40–100 and the journey takes 2h 30m. Alternatively, Flixbus USA operates a bus from New Brunswick to Washington Union Station 3 times a day. Tickets cost $29–45 and the journey takes 3h 40m.
- Website
- united.com
Flights from Newark Liberty International Airport to Ronald Reagan Washington National Airport
- Ave. Duration
- 1h 25m
- When
- Every day
- Estimated price
- $65–480
Flights from Newark Liberty International Airport to Washington Dulles International Airport
- Ave. Duration
- 1h 26m
- When
- Every day
- Estimated price
- $50–360
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Trenton to Washington Union Station
- Ave. Duration
- 2h 30m
- Frequency
- Hourly
- Estimated price
- $40–100
- Website
- Amtrak
Train from Princeton Junction Amtrak Station to 30th Street Station
- Ave. Duration
- 37 min
- Frequency
- Every 4 hours
- Estimated price
- $10–25
- Website
- Amtrak
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from New Brunswick to Washington Union Station
- Ave. Duration
- 3h 40m
- Frequency
- 3 times a day
- Estimated price
- $29–45
- Schedules at
- Flixbus USA
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Booking & Getting There
Princeton to Potomac bus services, operated by Flixbus USA, arrive at Washington Union Station.
Princeton to Potomac train services, operated by Amtrak, arrive at Washington Union Station.
Yes, the driving distance between Princeton to Potomac is 185 miles. It takes approximately 3h 37m to drive from Princeton to Potomac.
There are 1335+ hotels available in Potomac.







