Potomac is located in United States (Montgomery County, Maryland) and time zone America/New_York.
Places nearby are Great Falls, Travilah and North Bethesda.
Brooklyn is 317 km away, New York City is 317 km away and Queens is 326 km away as the crow flies.
Distances from Potomac to the most important cities in United States and the world.
39.0181700°
-77.2085900°
Census-designated place in Maryland, United States
https://en.wikipedia.org/wiki/Potomac,_Maryland