St. Charles, Maryland to St. Thomas: Road Trip Guide & Distance

How far is St. Charles, Maryland from St. Thomas?

The distance from St. Charles, Maryland to St. Thomas is 364 miles (585.8 km) as the crow flies. St. Thomas is located NW of St. Charles, Maryland. By car, the driving distance is approximately 436.8 miles, taking about 8h 47min. A direct flight would take roughly 1h 14min. St. Charles, Maryland is in Maryland, 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 St. Charles, Maryland 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.