The bus between Portsmouth and Gaithersburg takes 13h 24m. There is at least one bus per day from Portsmouth 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 once daily between Portsmouth and Gaithersburg. The earliest departure is at 12:55 AM at night, and the last departure from Portsmouth is at 12:55 AM which arrives into Gaithersburg at 2:19 PM. All services require a transfer at New York Midtown and take an average of 13h 24m. The schedules shown below are for the next available departures.
Want to know about travelling from Portsmouth 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 Portsmouth to Gaithersburg. However, there are services departing from Portsmouth station and arriving at Gaithersburg station via New York Midtown. The journey, including transfers, takes approximately 13h 24m.
Portsmouth to Gaithersburg bus services, operated by Flixbus USA, depart from Portsmouth Bus Stop station.
Portsmouth to Gaithersburg bus services, operated by Flixbus USA, arrive at Gaithersburg Park & Ride station.
The distance between Portsmouth and Gaithersburg is 694.4 km. The road distance is 929 km.
You can take a bus from Portsmouth Bus Stop to Gaithersburg Park & Ride via New York Midtown, Baltimore Downtown Bus Station, and Warner St in around 13h.
