Grimsby, Ontario, Canada to Martinsburg: Road Trip Guide & Distance

How far is Grimsby, Ontario, Canada from Martinsburg?

The distance from Grimsby, Ontario, Canada to Martinsburg is 271.7 miles (437.3 km) as the crow flies. Martinsburg is located SSE of Grimsby, Ontario, Canada. By car, the driving distance is approximately 339.6 miles, taking about 6h 50min. A direct flight would take roughly 1h 3min. Grimsby, Ontario, Canada is in Ontario, Canada, while Martinsburg is in West Virginia, 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 Grimsby, Ontario, Canada and Martinsburg. 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.