Erie to Sarnia: Road Trip Guide & Distance

How far is Erie from Sarnia?

The distance from Erie to Sarnia is 131.8 miles (212.1 km) as the crow flies. Sarnia is located WNW of Erie. By car, the driving distance is approximately 164.7 miles, taking about 3h 19min. A direct flight would take roughly 46min. Erie is in Pennsylvania, United States, while Sarnia is in Ontario, 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. Keep in mind this route crosses international borders. Don't forget your passport, and check current border crossing times and vehicle insurance requirements. 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 Erie and Sarnia. 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.