Ontario to Somerton: Road Trip Guide & Distance

How far is Ontario from Somerton?

The distance from Ontario to Somerton is 197.7 miles (318.2 km) as the crow flies. Somerton is located ESE of Ontario. By car, the driving distance is approximately 247.2 miles, taking about 4h 58min. A direct flight would take roughly 54min. Both are located in United States — Ontario in California and Somerton in Arizona.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Ontario and Somerton. 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.