Boston, Massachusetts to Cornwall: Road Trip Guide & Distance

How far is Boston, Massachusetts from Cornwall?

The distance from Boston, Massachusetts to Cornwall is 259.4 miles (417.5 km) as the crow flies. Cornwall is located NW of Boston, Massachusetts. By car, the driving distance is approximately 324.3 miles, taking about 6h 31min. A direct flight would take roughly 1h 1min. Boston, Massachusetts is in Massachusetts, United States, while Cornwall is in Ontario, Canada.

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. 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 Boston, Massachusetts and Cornwall. 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.