The average bus between Boston and Gaithersburg takes 12h 11m and the fastest bus takes 10h 15m. The bus service runs several times per day from Boston to Gaithersburg. 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 Boston and Gaithersburg. The earliest departure is at 2:15 AM at night, and the last departure from Boston is at 9:30 PM which arrives into Gaithersburg at 11:25 AM. All services require a transfer at Port Authority Bus Terminal and take an average of 12h 11m. The schedules shown below are for the next available departures.


13h 30m • 2 changes


10h 45m • 2 changes


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11h 15m • 2 changes


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11h 15m • 2 changes


13h 30m • 2 changes


10h 45m • 2 changes


11h 35m • 2 changes


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11h 52m • 2 changes


11h 22m • 2 changes


11h 22m • 2 changes
Arrives next day


13h 53m • 2 changes


15h 7m • 2 changes


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11h 22m • 2 changes
Arrives next day


10h 58m • 2 changes
Want to know about travelling from Boston to Gaithersburg? 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 Boston to Gaithersburg. However, there are services departing from Boston station and arriving at Gaithersburg station via Port Authority Bus Terminal. The journey, including transfers, takes approximately 12h 11m.
Boston to Gaithersburg bus services, operated by Greyhound USA, depart from South Station.
Boston to Gaithersburg bus services, operated by Greyhound USA, arrive at Gaithersburg Park & Ride station.
The distance between Boston and Gaithersburg is 628.6 km. The road distance is 811 km.
You can take a bus from South Station to Gaithersburg Park & Ride via Port Authority Bus Terminal, Baltimore Downtown Bus Station, and Warner St in around 11h 7m.