How far is Ontario, CA, from San Diego, CA?
The distance between San Diego (San Diego International Airport) and Ontario (Ontario International Airport) is 94 miles / 152 kilometers / 82 nautical miles.
The driving distance from San Diego (SAN) to Ontario (ONT) is 112 miles / 181 kilometers, and travel time by car is about 2 hours 12 minutes.
San Diego International Airport – Ontario International Airport
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Distance from San Diego to Ontario
There are several ways to calculate the distance from San Diego to Ontario. Here are two standard methods:
Vincenty's formula (applied above)- 94.182 miles
- 151.571 kilometers
- 81.842 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 94.395 miles
- 151.913 kilometers
- 82.027 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from San Diego to Ontario?
The estimated flight time from San Diego International Airport to Ontario International Airport is 40 minutes.
What is the time difference between San Diego and Ontario?
Flight carbon footprint between San Diego International Airport (SAN) and Ontario International Airport (ONT)
On average, flying from San Diego to Ontario generates about 39 kg of CO2 per passenger, and 39 kilograms equals 86 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Diego to Ontario
See the map of the shortest flight path between San Diego International Airport (SAN) and Ontario International Airport (ONT).
Airport information
| Origin | San Diego International Airport |
|---|---|
| City: | San Diego, CA |
| Country: | United States  |
| IATA Code: | SAN |
| ICAO Code: | KSAN |
| Coordinates: | 32°44′0″N, 117°11′24″W |
| Destination | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |