There are 573.80 km (356.54 miles) from Cornwall to Saint Thomas in southwest direction and 626.03 km (389 miles) by car, following the 401 route.
Cornwall and Saint Thomas are 7 hours 44 mins far apart, if you drive non-stop .
This is the fastest route from Cornwall, ON to Saint Thomas, ON. The halfway point is Grafton, ON.
Cornwall, ON and Saint Thomas, ON are in the same time zone (EDT). Current time in both locations is 1:00 pm.
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