Deer Valley to Ontario: Road Trip Guide & Distance

How far is Deer Valley from Ontario?

The distance from Deer Valley to Ontario is 317.5 miles (510.9 km) as the crow flies. Ontario is located W of Deer Valley. By car, the driving distance is approximately 381 miles, taking about 7h 40min. A direct flight would take roughly 1h 8min. Both are located in United States — Deer Valley in Arizona and Ontario in California.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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.

Coordinates come from public place data for Deer Valley 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.