Rochester, Minnesota to Sarnia: Road Trip Guide & Distance

How far is Rochester, Minnesota from Sarnia?

The distance from Rochester, Minnesota to Sarnia is 509.3 miles (819.6 km) as the crow flies. Sarnia is located E of Rochester, Minnesota. By car, the driving distance is approximately 611.1 miles, taking about 12h 18min. A direct flight would take roughly 1h 31min. Rochester, Minnesota is in Minnesota, United States, while Sarnia is in Ontario, Canada.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. 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 Rochester, Minnesota 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.