Map of flight path and driving directions from Ontario to Tucson.
Shortest flight path between Ontario International Airport (ONT) and Tucson International Airport (TUS).
How far is Tucson from Ontario?
There are several ways to calculate distances between Ontario and Tucson. Here are two common methods:Vincenty's formula (applied above)
- 408.738 miles
- 657.800 kilometers
- 355.184 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 408.081 miles
- 656.742 kilometers
- 354.612 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).
Time difference and current local times
There is no time difference between Ontario and Tucson.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 85 kg (188 pounds).
Frequent Flyer Miles Calculator
Ontario (ONT) → Tucson (TUS).