Distance from Ottawa to St. Catharines

The distance from Ottawa to St. Catharines is approximately 377 km / 234 mi (as the crow flies).

The following map shows the distance from Ottawa to St. Catharines.

For more detailed information about any of the places please click on the place name:
• Ottawa
• St. Catharines

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Current distance: Ottawa -> St. Catharines
Show reverse: St. Catharines -> Ottawa

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