Cornwall to Jamestown, New York: Road Trip Guide & Distance

How far is Cornwall from Jamestown, New York?

The distance from Cornwall to Jamestown, New York is 302.7 miles (487.1 km) as the crow flies. Jamestown, New York is located SW of Cornwall. By car, the driving distance is approximately 378.4 miles, taking about 7h 37min. A direct flight would take roughly 1h 7min. Cornwall is in Ontario, Canada, while Jamestown, New York is in New York, 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. 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 Cornwall and Jamestown, New York. 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.