How far is Dallas from Ontario?
There are several ways to calculate distances between Ontario and Dallas. Here are two common methods:Vincenty's formula (applied above)
- 1188.303 miles
- 1912.388 kilometers
- 1032.607 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
- 1185.790 miles
- 1908.345 kilometers
- 1030.424 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).
Estimated flight time from Ontario International Airport (ONT) to Dallas/Fort Worth International Airport (DFW) is 2 hours 44 minutes.
Time difference and current local times
The time difference between Ontario and Dallas is 2 hours. Dallas is 2 hours ahead of Ontario.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 161 kg (355 pounds).
Ontario to Dallas flight path
Shortest flight path between Ontario International Airport (ONT) and Dallas/Fort Worth International Airport (DFW).
Frequent Flyer Miles Calculator
Ontario (ONT) → Dallas (DFW).