Air Miles Calculator logo

How far is Houston, TX, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Houston (Houston George Bush Intercontinental Airport) is 1334 miles / 2146 kilometers / 1159 nautical miles.

The driving distance from Ontario (ONT) to Houston (IAH) is 1525 miles / 2454 kilometers, and travel time by car is about 26 hours 0 minutes.

Ontario International Airport – Houston George Bush Intercontinental Airport

Distance arrow
1334
Miles
Distance arrow
2146
Kilometers
Distance arrow
1159
Nautical miles

Search flights

Distance from Ontario to Houston

There are several ways to calculate the distance from Ontario to Houston. Here are two standard 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 planet.

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).

How long does it take to fly from Ontario to Houston?

The estimated flight time from Ontario International Airport to Houston George Bush Intercontinental Airport is 3 hours and 1 minutes.

Flight carbon footprint between Ontario International Airport (ONT) and Houston George Bush Intercontinental Airport (IAH)

On average, flying from Ontario to Houston generates about 169 kg of CO2 per passenger, and 169 kilograms equals 373 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ontario to Houston

See the map of the shortest flight path between Ontario International Airport (ONT) and Houston George Bush Intercontinental Airport (IAH).

Airport information

Origin Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W
Destination Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W

Airlines flying from Ontario (ONT) to Houston (IAH)

United Airlines