Gaithersburg to Williamsport: Road Trip Guide & Distance

How far is Gaithersburg from Williamsport?

The distance from Gaithersburg to Williamsport is 145.3 miles (233.9 km) as the crow flies. Williamsport is located N of Gaithersburg. By car, the driving distance is approximately 181.7 miles, taking about 3h 39min. A direct flight would take roughly 48min. Both are located in United States — Gaithersburg in Maryland and Williamsport in Pennsylvania.

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. 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 Gaithersburg and Williamsport. 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.