The average train between Washington DC and Princeton takes 3h 49m and the fastest train takes 2h 58m. There is a train service every few hours from Washington DC to Princeton. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Washington DC and Princeton. The earliest departure is at 12:06 AM at night, and the last departure from Washington DC is at 9:12 PM which arrives into Princeton at 12:38 AM. All services require a transfer at Metro Center, Red Line Track 1 Platform and take an average of 3h 49m. The schedules shown below are for the next available departures.



7h 54m • 3 changes



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3h 4m • 3 changes
Want to know about travelling from Washington DC to Princeton? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Washington DC to Princeton. However, there are services departing from Washington DC station and arriving at Princeton station via Trenton. The journey, including transfers, takes approximately 3h 49m.
Washington DC to Princeton train services, operated by Washington Metropolitan Area Transit Authority, depart from Washington Union Station.
Washington DC to Princeton train services, operated by Washington Metropolitan Area Transit Authority, arrive at Trenton station.
The distance between Washington DC and Princeton is 260 km. The road distance is 288 km.
Amtrak operates a train from Washington Union Station to Trenton hourly. Tickets cost $45–110 and the journey takes 2h 17m.