Gaithersburg to Tillsonburg: Road Trip Guide & Distance

How far is Gaithersburg from Tillsonburg?

The distance from Gaithersburg to Tillsonburg is 315.7 miles (508.1 km) as the crow flies. Tillsonburg is located NW of Gaithersburg. By car, the driving distance is approximately 378.8 miles, taking about 7h 37min. A direct flight would take roughly 1h 8min. Gaithersburg is in Maryland, United States, while Tillsonburg is in Ontario, Canada.

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. 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. Keep in mind this route crosses international borders. Don't forget your passport, and check current border crossing times and vehicle insurance requirements.

Coordinates come from public place data for Gaithersburg and Tillsonburg. 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.