Gaithersburg to Potomac bus times
Buses run hourly between Gaithersburg and Potomac. The earliest departure is at 4:42 AM at night, and the last departure from Gaithersburg is at 6:45 PM which arrives into Potomac at 7:48 PM. All services require a transfer at Rockville, Red Line Center Platform and take an average of 1h. The schedules shown below are for the next available departures.
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57 min • 1 change
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1h 3m • 1 change
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58 min • 1 change
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1h 4m • 1 change
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Departing Monday, July 20, 2026
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1h 6m • 1 change
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1h 6m • 1 change
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51 min • 1 change
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1h 8m • 1 change
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Departing Tuesday, July 21, 2026
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1h 6m • 1 change
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1h 6m • 1 change
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51 min • 1 change
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1h 8m • 1 change
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