How far is Ontario from Houston?
There are several ways to calculate distances between Houston and Ontario. Here are two common methods:Vincenty's formula (applied above)
- 1333.600 miles
- 2146.221 kilometers
- 1158.867 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
- 1331.142 miles
- 2142.265 kilometers
- 1156.730 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 Houston George Bush Intercontinental Airport (IAH) to Ontario International Airport (ONT) is 3 hours 1 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 166 kg (366 pounds).
Houston to Ontario flight path
Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Ontario International Airport (ONT).
Frequent Flyer Miles Calculator
Houston (IAH) → Ontario (ONT).