Altoona to Sarnia: Road Trip Guide & Distance

How far is Altoona from Sarnia?

The distance from Altoona to Sarnia is 267.6 miles (430.6 km) as the crow flies. Sarnia is located NW of Altoona. By car, the driving distance is approximately 334.5 miles, taking about 6h 44min. A direct flight would take roughly 1h 2min. Altoona 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.

Coordinates come from public place data for Altoona 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.