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Distance between Houston, TX (HOU) and Ontario, CA (ONT)

Flight distance from Houston to Ontario (Houston William P. Hobby Airport – Ontario International Airport) is 1345 miles / 2164 kilometers / 1168 nautical miles. Estimated flight time is 3 hours 2 minutes.

Driving distance from Houston (HOU) to Ontario (ONT) is 1519 miles / 2444 kilometers and travel time by car is about 26 hours 20 minutes.

Houston – Ontario

Distance arrow
1345
Miles
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2164
Kilometers
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1168
Nautical miles

How far is Ontario from Houston?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 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 – the shortest distance between two points).

Flight Duration

Estimated flight time from Houston to Ontario 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.

Houston time to Ontario time converter

Time in Houston: 00:00 ⇆ Time in Ontario: 00:00

Current local times

Houston, TX

 CDT

Ontario, CA

 PDT

Carbon dioxide emissions

On average flying from Houston to Ontario generates about 170 kg of CO2 per passenger, 170 kilograms is equal to 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

Shortest flight path between Houston William P. Hobby Airport (HOU) and Ontario International Airport (ONT).

Airport information

Origin Houston William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W
Destination 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