Lewiston, Maine to Oshawa: Road Trip Guide & Distance

How far is Lewiston, Maine from Oshawa?

The distance from Lewiston, Maine to Oshawa is 429.2 miles (690.7 km) as the crow flies. Oshawa is located W of Lewiston, Maine. By car, the driving distance is approximately 515 miles, taking about 10h 22min. A direct flight would take roughly 1h 22min. Lewiston, Maine is in Maine, United States, while Oshawa 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 Lewiston, Maine and Oshawa. 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.