St. Thomas to Waterbury: Road Trip Guide & Distance

How far is St. Thomas from Waterbury?

The distance from St. Thomas to Waterbury is 424.5 miles (683.2 km) as the crow flies. Waterbury is located E of St. Thomas. By car, the driving distance is approximately 509.4 miles, taking about 10h 15min. A direct flight would take roughly 1h 21min. St. Thomas is in Ontario, Canada, while Waterbury is in Connecticut, United States.

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. 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. Thomas and Waterbury. 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.