Distance from San Diego to Ontario by Car and Plane

1. USA City Map
2. Distance Between US Cities Calculator
3. Distance Between San Diego and Ontario

The flight distance from San Diego (CA) to Ontario (CA) is 98 miles or 157 kilometers or 85 nautical miles.
Driving distance from San Diego to Ontario is 113 miles (182 kilometers).
Difference between fly and travel by a car is 15 miles or 25 km.

San Diego to Ontario Flight Route Map

Map Showing the Distance Between San Diego, CA and Ontario, CA
This map shows the distance from San Diego, CA, Usa to Ontario, CA, Usa. You can also see the distance in miles and km below the map. Flight route map from San Diego, California to Ontario, California is displayed below.

Driving distance from San Diego, CA to Ontario, CA

The driving distance from San Diego, California to Ontario, California is 113 miles or 182 km.
The total driving distance from San Diego, CA to Ontario, CA is 113 miles or 182 kilometers. Your trip begins in San Diego, California. It ends in Ontario, California.
The driving distance from San Diego, California to Ontario, California is approximately 113 miles (182 kilometers), depending on the specific route you take. Without considering any traffic or other delays, driving this distance typically takes around 2 to 3 hours under normal conditions.

Driving time from San Diego, CA to Ontario, CA

How long is the drive from San Diego, CA to Ontario, CA?
The total driving time is 2 hours, 9 minutes.
How long does a car ride from San Diego to Ontario take?
San Diego and Ontario are 2 hours 9 mins far apart, if you drive non-stop.

---

Attention! According to the recommendations of experts, you should stop and take a break every 2 hours on average, take a fresh air and walk a little to protect your alertness and health during long trips by car. In addition, you can drink some coffee to prevent you from sleeping. People who drive constantly without taking a break lose their focus and can eventually cause accidents. Also, please drive carefully and follow the speed rules.

Time Difference between San Diego and Ontario

Time difference between San Diego (CA) and Ontario (CA) is 0 Hours.

Current local time in San Diego	Current local time in Ontario
2025-12-19, 19:16:38 PST	2025-12-19, 19:16:38 PST

How Far is it Between San Diego California, USA and Ontario California, USA?

You can compare air and road distance between San Diego, CA and Ontario, CA in this summary table of distances in miles, kilometers and nautical miles.

Distance type	Miles	Kilometers	Nautical miles
Driving distance	113 mi	182 km	98.13 nmi
Straight line distance	98 mi	157 km	85 nmi
Difference	15 mi	25 km	13 nmi

---

---