The average bus between Princeton and Bethesda takes 6h 44m and the fastest bus takes 5h 41m. The bus service runs several times per day from Princeton to Bethesda. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 3 times a day between Princeton and Bethesda. The earliest departure is at 10:00 AM in the morning, and the last departure from Princeton is at 7:00 PM which arrives into Bethesda at 5:32 AM. All services require a transfer at New Brunswick and take an average of 6h 44m. The schedules shown below are for the next available departures.


5h 56m • 2 changes

6h 56m • 2 changes

6h 1m • 2 changesArrives next day


6h 34m • 2 changes

6h 2m • 2 changes

5h 58m • 2 changesArrives next day


10h 32m • 2 changesWant to know about travelling from Princeton to Bethesda? 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 bus from Princeton to Bethesda. However, there are services departing from Princeton station and arriving at Bethesda station via Washington Union Station station. The journey, including transfers, takes approximately 6h 44m.
Princeton to Bethesda bus services, operated by Rockland Coaches, depart from New Brunswick station.
Princeton to Bethesda bus services, operated by Rockland Coaches, arrive at Washington Union Station.
The distance between Princeton and Bethesda is 258.4 km. The road distance is 352 km.
Flixbus USA operates a bus from New Brunswick to Washington Union Station 3 times a day. Tickets cost $27–45 and the journey takes 3h 40m.