Cincinnati to Ottawa, Ontario, Canada: Road Trip Guide & Distance

How far is Cincinnati from Ottawa, Ontario, Canada?

The distance from Cincinnati to Ottawa, Ontario, Canada is 626.8 miles (1008.7 km) as the crow flies. Ottawa, Ontario, Canada is located NE of Cincinnati. By car, the driving distance is approximately 752.1 miles, taking about 15h 8min. A direct flight would take roughly 1h 46min. Cincinnati is in Ohio, United States, while Ottawa, Ontario, Canada 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 Cincinnati and Ottawa, Ontario, Canada. 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.