The average bus between Philadelphia and Potomac takes 5h 54m and the fastest bus takes 4h 24m. The bus service runs several times per day from Philadelphia to Potomac. 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 every 4 hours between Philadelphia and Potomac. The earliest departure is at 1:50 AM at night, and the last departure from Philadelphia is at 6:30 PM which arrives into Potomac at 5:50 AM. All services require a transfer at Washington Union Station and take an average of 5h 54m. The schedules shown below are for the next available departures.



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5h 32m • 3 changes



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Want to know about travelling from Philadelphia to Potomac? 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 Philadelphia to Potomac. However, there are services departing from Philadelphia station and arriving at Potomac station via Washington Union Station station. The journey, including transfers, takes approximately 5h 54m.
Philadelphia to Potomac bus services, operated by Flixbus USA, depart from Philadelphia Bus Station.
Philadelphia to Potomac bus services, operated by Flixbus USA, arrive at Washington Union Station.
The distance between Philadelphia and Potomac is 203.9 km. The road distance is 246 km.
Flixbus USA operates a bus from Philadelphia Bus Station to Washington Union Station every 3 hours. Tickets cost $17–30 and the journey takes 2h 45m. Greyhound USA also services this route 4 times a day.