Back Mountain to Gaithersburg: Road Trip Guide & Distance

How far is Back Mountain from Gaithersburg?

The distance from Back Mountain to Gaithersburg is 164.3 miles (264.4 km) as the crow flies. Gaithersburg is located SSW of Back Mountain. By car, the driving distance is approximately 205.4 miles, taking about 4h 8min. A direct flight would take roughly 50min. Both are located in United States — Back Mountain in Pennsylvania and Gaithersburg in Maryland.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Back Mountain and Gaithersburg. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.