Distance from Portsmouth to Sarnia

The distance from Portsmouth to Sarnia is approximately 495 km / 307 mi (as the crow flies).

The following map shows the distance from Portsmouth to Sarnia.

For more detailed information about any of the places please click on the place name:
• Portsmouth
• Sarnia

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Current distance: Portsmouth -> Sarnia
Show reverse: Sarnia -> Portsmouth

DistanceRouteRoute by bikeRoute by foot