Cornwall to Hartford: Road Trip Guide & Distance

How far is Cornwall from Hartford?

The distance from Cornwall to Hartford is 247.2 miles (397.9 km) as the crow flies. Hartford is located SSE of Cornwall. By car, the driving distance is approximately 309.1 miles, taking about 6h 13min. A direct flight would take roughly 1h 0min. Cornwall is in Ontario, Canada, while Hartford is in Connecticut, United States.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. 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 Cornwall and Hartford. 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.