How far is Ontario, CA, from Houston, TX?
The distance between Houston (Houston William P. Hobby Airport) and Ontario (Ontario International Airport) is 1345 miles / 2164 kilometers / 1168 nautical miles.
The driving distance from Houston (HOU) to Ontario (ONT) is 1519 miles / 2445 kilometers, and travel time by car is about 25 hours 54 minutes.
Houston William P. Hobby Airport – Ontario International Airport
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Distance from Houston to Ontario
There are several ways to calculate the distance from Houston to Ontario. Here are two standard methods:
Vincenty's formula (applied above)- 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 planet.
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 – the shortest distance between two points).
How long does it take to fly from Houston to Ontario?
The estimated flight time from Houston William P. Hobby Airport to Ontario International Airport is 3 hours and 2 minutes.
What is the time difference between Houston and Ontario?
The time difference between Houston and Ontario is 2 hours. Ontario is 2 hours behind Houston.
Flight carbon footprint between Houston William P. Hobby Airport (HOU) and Ontario International Airport (ONT)
On average, flying from Houston to Ontario generates about 170 kg of CO2 per passenger, and 170 kilograms equals 374 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Houston to Ontario
See the map of the shortest flight path between Houston William P. Hobby Airport (HOU) and Ontario International Airport (ONT).
Airport information
Origin | Houston William P. Hobby Airport |
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City: | Houston, TX |
Country: | United States ![]() |
IATA Code: | HOU |
ICAO Code: | KHOU |
Coordinates: | 29°38′43″N, 95°16′44″W |
Destination | Ontario International Airport |
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City: | Ontario, CA |
Country: | United States ![]() |
IATA Code: | ONT |
ICAO Code: | KONT |
Coordinates: | 34°3′21″N, 117°36′3″W |