Ashburn to St. Thomas: Road Trip Guide & Distance

How far is Ashburn from St. Thomas?

The distance from Ashburn to St. Thomas is 321.8 miles (517.9 km) as the crow flies. St. Thomas is located NW of Ashburn. By car, the driving distance is approximately 386.2 miles, taking about 7h 46min. A direct flight would take roughly 1h 9min. Ashburn is in Virginia, United States, while St. Thomas 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 Ashburn and St. Thomas. 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.