Calculations with different methods
- 1344.522 miles
- 2163.799 kilometers
- 1168.358 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
- 1342.102 miles
- 2159.903 kilometers
- 1166.254 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from William P. Hobby Airport (HOU) to Ontario International Airport (ONT) is 3 hours 2 minutes.
Time difference and current local times
The time difference between Houston and Ontario is 2 hours. Ontario is 2 hours behind Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 170 kg (375 pounds).
Houston to Ontario flight map.
Frequent Flyer Miles Calculator
Houston (HOU) → Ontario (ONT).