Oshawa to Sarnia: Road Trip Guide & Distance

How far is Oshawa from Sarnia?

The distance from Oshawa to Sarnia is 189.3 miles (304.7 km) as the crow flies. Sarnia is located WSW of Oshawa. By car, the driving distance is approximately 210.5 miles, taking about 4h 11min. A direct flight would take roughly 53min. Both are located in 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. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Oshawa and Sarnia. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.