Ontario to Tri-Cities: Road Trip Guide & Distance

How far is Ontario from Tri-Cities?

The distance from Ontario to Tri-Cities is 845.6 miles (1360.9 km) as the crow flies. Tri-Cities is located N of Ontario. By car, the driving distance is approximately 1014.8 miles, taking about 20h 25min. A direct flight would take roughly 2h 12min. Both are located in United States — Ontario in California and Tri-Cities in Washington.

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 North for this distance usually means noticeable weather changes. Make sure to check the forecast for your destination before hitting the road. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Ontario and Tri-Cities. 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.