Big Sur to Ontario: Road Trip Guide & Distance

How far is Big Sur from Ontario?

The distance from Big Sur to Ontario is 279.9 miles (450.5 km) as the crow flies. Ontario is located ESE of Big Sur. By car, the driving distance is approximately 349.9 miles, taking about 7h 2min. A direct flight would take roughly 1h 4min. Both are located in United States.

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.

Coordinates come from public place data for Big Sur and Ontario. 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.