Map of flight path and driving directions from Tucson to Ontario.
Shortest flight path between Tucson International Airport (TUS) and Ontario International Airport (ONT).
How far is Ontario from Tucson?
There are several ways to calculate distances between Tucson and Ontario. 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 Tucson and Ontario.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 85 kg (188 pounds).
Frequent Flyer Miles Calculator
Tucson (TUS) → Ontario (ONT).