There are 9 ways to get from Rockville to Princeton Junction by train (Amtrak), bus (Flixbus), car, plane, train, 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 Washington Union Station to Trentontrain Carolinian / ...
3h 55m$55–120Drive 182.2 mi
cheapest- Drive from Rockville to Princeton Junctioncar 182.2 mi
3h 19m$34–48Bus
- Take the bus from Washington Union Station to New Brunswickbus FlixBus 2609 / ...
6h 52m$60–91Fly Ronald Reagan Washington National Airport to Newark Liberty International Airport, train
- Fly from Ronald Reagan Washington National Airport (DCA) to Newark Liberty International Airport (EWR)plane DCA - EWR
- Take the train from Newark Airport Railroad Station to Princeton Jct.train
4h 23m$930–1,741Subway, train
- Take the subway from Rockville, Red Line Center Platform to Union Station, Red Line Center Platformsubway R
- Take the train from Washington Union Station to 30th Street Stationtrain
- Take the train from 30th Street Station to Princeton Junction Amtrak Stationtrain
4h 7m$55–121Fly Ronald Reagan Washington National Airport to Laguardia Airport, train
- Fly from Ronald Reagan Washington National Airport (DCA) to Laguardia Airport (LGA)plane DCA - LGA
- Take the train from New York Penn Station to Princeton Jct.train
5h 17m$105–734Fly Ronald Reagan Washington National Airport to John F. Kennedy International Airport, train
- Fly from Ronald Reagan Washington National Airport (DCA) to John F. Kennedy International Airport (JFK)plane DCA - JFK
- Take the train from New York Penn Station to Princeton Jct.train
5h 5m$921–2,547Subway to Washington Dulles International Airport, fly to Newark Liberty International Airport, train
- Take the subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Newark Liberty International Airport (EWR)plane IAD - EWR
- Take the train from Newark Airport Railroad Station to Princeton Jct.train
4h 53m$629–1,540Fly Ronald Reagan Washington National Airport to Philadelphia International Airport, train
- Fly from Ronald Reagan Washington National Airport (DCA) to Philadelphia International Airport (PHL)plane DCA - PHL
- Take the train from 30th Street Station to Princeton Junction Amtrak Stationtrain
5h 14m$106–688
Rockville to Princeton Junction by subway and train (Amtrak)
Questions & Answers
The cheapest way to get from Rockville to Princeton Junction is to drive which costs $30 - $50 and takes 3h 19m.
The fastest way to get from Rockville to Princeton Junction is to drive which takes 3h 19m and costs $30 - $50.
No, there is no direct bus from Rockville to Princeton Junction. However, there are services departing from W Montgomery Av+N Adams St and arriving at New Brunswick via Friendship Heights+Bay C and Washington Union Station. The journey, including transfers, takes approximately 6h 52m.
No, there is no direct train from Rockville to Princeton Junction. However, there are services departing from Rockville, Red Line Center Platform and arriving at Princeton Jct. via Washington Union Station and Trenton Transit Center. The journey, including transfers, takes approximately 3h 55m.
The distance between Rockville and Princeton Junction is 192 miles. The road distance is 183.2 miles.
The best way to get from Rockville to Princeton Junction without a car is to train which takes 3h 55m and costs $55 - $120.
It takes approximately 3h 55m to get from Rockville to Princeton Junction, including transfers.
Rockville to Princeton Junction bus services, operated by Flixbus USA, depart from Washington Union Station.
Rockville to Princeton Junction train services, operated by Amtrak, depart from Washington Union Station.
The best way to get from Rockville to Princeton Junction is to train which takes 3h 55m and costs $55 - $120. Alternatively, you can bus, which costs $60 - $95 and takes 6h 52m.
What companies run services between Rockville, MD, USA and Princeton Junction, NJ, USA?
Amtrak operates a train from Washington Union Station to Trenton hourly. Tickets cost $50–110 and the journey takes 2h 17m. Alternatively, Flixbus USA operates a bus from Washington Union Station to New Brunswick 3 times a day. Tickets cost $30–55 and the journey takes 3h 40m. Jefferson Lines also services this route twice daily.
- Website
- united.com
Flights from Ronald Reagan Washington National Airport to Newark Liberty International Airport
- Ave. Duration
- 1h 27m
- When
- Every day
- Estimated price
- $55–390
Flights from Washington Dulles International Airport to Newark Liberty International Airport
- Ave. Duration
- 1h 24m
- When
- Every day
- Estimated price
- $30–230
- Website
- aa.com
Flights from Ronald Reagan Washington National Airport to Laguardia Airport
- Ave. Duration
- 1h 27m
- When
- Every day
- Estimated price
- $95–700
Flights from Ronald Reagan Washington National Airport to John F. Kennedy International Airport
- Ave. Duration
- 1h 35m
- When
- Every day
- Estimated price
- $55–390
Flights from Ronald Reagan Washington National Airport to Philadelphia International Airport
- Ave. Duration
- 1h 11m
- When
- Every day
- Estimated price
- $85–650
- Website
- delta.com
Flights from Ronald Reagan Washington National Airport to Laguardia Airport
- Ave. Duration
- 1h 17m
- When
- Every day
- Estimated price
- $95–700
Flights from Ronald Reagan Washington National Airport to John F. Kennedy International Airport
- Ave. Duration
- 1h 26m
- When
- Every day
- Estimated price
- $55–390
- Website
- jetblue.com
Flights from Ronald Reagan Washington National Airport to John F. Kennedy International Airport
- Ave. Duration
- 1h 9m
- When
- Every day
- Estimated price
- $55–390
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to Trenton
- Ave. Duration
- 2h 17m
- Frequency
- Hourly
- Estimated price
- $50–110
- Website
- https://www.amtrak.com/home.html
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 2h 10m
- Frequency
- Hourly
- Estimated price
- $40–90
- Website
- https://www.amtrak.com/home.html
Train from 30th Street Station to Princeton Junction Amtrak Station
- Ave. Duration
- 33 min
- Frequency
- Every 4 hours
- Estimated price
- $13–28
- Website
- https://www.amtrak.com/home.html
Train from 30th Street Station to Princeton Junction Amtrak Station
- Ave. Duration
- 33 min
- Frequency
- Every 4 hours
- Estimated price
- $13–28
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 973-275-5555
- Website
- njtransit.com
Train from Newark Airport Railroad Station to Princeton Jct.
- Ave. Duration
- 49 min
- Frequency
- Hourly
- Estimated price
- $20–25
- Website
- https://www.njtransit.com
- Website
- https://njtworldcup.com/
- Adult Airport
- $20–25
Train from New York Penn Station to Princeton Jct.
- Ave. Duration
- 1h 13m
- Frequency
- Every 30 minutes
- Estimated price
- $2–21
- Website
- https://www.njtransit.com
- Website
- https://njtworldcup.com/
- Adult
- $2–21
Train from New York Penn Station to Princeton Jct.
- Ave. Duration
- 1h 13m
- Frequency
- Every 30 minutes
- Estimated price
- $2–21
- Website
- https://www.njtransit.com
- Website
- https://njtworldcup.com/
- Adult
- $2–21
Train from Newark Airport Railroad Station to Princeton Jct.
- Ave. Duration
- 49 min
- Frequency
- Hourly
- Estimated price
- $20–25
- Website
- https://www.njtransit.com
- Website
- https://njtworldcup.com/
- Adult Airport
- $20–25
- Phone
- +1 202 466 3876
- Website
- wmata.com
Subway from Rockville, Red Line Center Platform to Union Station, Red Line Center Platform
- Ave. Duration
- 34 min
- Frequency
- Every 10 minutes
- Estimated price
- $2–3
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- $2–3
Subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 47 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- $2–3
Rome2Rio's guide to Amtrak Acela
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to 30th Street Station
- Ave. Duration
- 1h 42m
- Frequency
- Hourly
- Estimated price
- $30–650
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- $30–470
- First Class
- $150–650
- Phone
- +1 (855) 626-8585
- Website
- https://www.flixbus.com
Bus from Washington Union Station to New Brunswick
- Ave. Duration
- 3h 40m
- Frequency
- 3 times a day
- Estimated price
- $30–55
- Schedules at
- flixbus.com
- Phone
- +1-858-800-8898
- Website
- jeffersonlines.com
Bus from Washington Union Station to New Brunswick
- Ave. Duration
- 3h 35m
- Frequency
- Twice daily
- Estimated price
- $50–75
- Book at
- https://www.jeffersonlines.com
- Adult
- $50–75
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Why you should take the train in the US
Read the travel guide
How to get from JFK to New York City
Read the travel guide
More Questions & Answers
Rockville to Princeton Junction bus services, operated by Flixbus USA, arrive at New Brunswick station.
Rockville to Princeton Junction train services, operated by Amtrak, arrive at Trenton station.
Yes, the driving distance between Rockville to Princeton Junction is 183 miles. It takes approximately 3h 19m to drive from Rockville to Princeton Junction.
Book your Rockville to Princeton Junction train tickets online with Omio.
There are 148+ hotels available in Princeton Junction.















