The average bus between Cambridge and National Harbor takes 11h 40m and the fastest bus takes 11h 25m. The bus service runs several times per day from Cambridge to National Harbor. 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 Cambridge and National Harbor. The earliest departure is at 1:30 AM at night, and the last departure from Cambridge is at 9:50 PM which arrives into National Harbor at 9:47 AM. All services require a transfer at Washington Union Station and take an average of 11h 40m. The schedules shown below are for the next available departures.
Arrives next day


11h 25m • 2 changes
Arrives next day


11h 57m • 2 changes


11h 35m • 2 changes
Arrives next day


11h 25m • 2 changes
Arrives next day


11h 57m • 2 changes


11h 35m • 2 changes
Arrives next day


11h 27m • 2 changes
Arrives next day


12h 13m • 2 changes


11h 33m • 2 changes
Arrives next day


11h 47m • 2 changes
Arrives next day


11h 53m • 2 changes


11h 33m • 2 changes
Arrives next day


11h 25m • 2 changes
Arrives next day


11h 57m • 2 changes
Want to know about travelling from Cambridge to National Harbor? 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 Cambridge to National Harbor. However, there are services departing from Cambridge station and arriving at National Harbor station via Washington Union Station station. The journey, including transfers, takes approximately 11h 40m.
Cambridge to National Harbor bus services, operated by Flixbus USA, depart from Boston station.
Cambridge to National Harbor bus services, operated by Flixbus USA, arrive at Washington Union Station.
The distance between Cambridge and National Harbor is 638.8 km. The road distance is 806 km.
Flixbus USA operates a bus from Boston to Washington Union Station 4 times a day. Tickets cost $75–130 and the journey takes 9h 45m. Greyhound USA also services this route twice daily.