Oceanside, California to Ontario: Road Trip Guide & Distance

How far is Oceanside, California from Ontario?

The distance from Oceanside, California to Ontario is 62 miles (99.7 km) as the crow flies. Ontario is located NNW of Oceanside, California. By car, the driving distance is approximately 80.5 miles, taking about 1h 37min. A direct flight would take roughly 37min. Both are located in United States.

This is a quick and easy drive, perfect for a day trip or weekend getaway. You can easily make the round trip in a single day. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. 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 Oceanside, California 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.