How far is Houston from Ontario?
There are several ways to calculate distances between Ontario and Houston. 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 Ontario International Airport (ONT) to Houston George Bush Intercontinental Airport (IAH) is 3 hours 1 minutes.
Time difference and current local times
The time difference between Ontario and Houston is 2 hours. Houston is 2 hours ahead of Ontario.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 166 kg (366 pounds).
Ontario to Houston flight path
Shortest flight path between Ontario International Airport (ONT) and Houston George Bush Intercontinental Airport (IAH).
Frequent Flyer Miles Calculator
Ontario (ONT) → Houston (IAH).