Martinsburg to Newmarket: Road Trip Guide & Distance

How far is Martinsburg from Newmarket?

The distance from Martinsburg to Newmarket is 326.7 miles (525.8 km) as the crow flies. Newmarket is located NNW of Martinsburg. By car, the driving distance is approximately 392.1 miles, taking about 7h 53min. A direct flight would take roughly 1h 9min. Martinsburg is in West Virginia, United States, while Newmarket is in Ontario, Canada.

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 Martinsburg and Newmarket. 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.