Chillicothe to Gaithersburg: Road Trip Guide & Distance

How far is Chillicothe from Gaithersburg?

The distance from Chillicothe to Gaithersburg is 309.6 miles (498.2 km) as the crow flies. Gaithersburg is located E of Chillicothe. By car, the driving distance is approximately 387 miles, taking about 7h 47min. A direct flight would take roughly 1h 7min. Both are located in United States — Chillicothe in Ohio and Gaithersburg in Maryland.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Chillicothe 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.