Air Miles Calculator

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 24 hours 45 minutes.

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).

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)
  • 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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between Houston and Ontario is 2 hours. Ontario is 2 hours behind Houston.

Time Difference

Houston, TX

 CDT

Ontario, CA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 170 kg (374 pounds).

Frequent Flyer Miles Calculator

Houston (HOU) → Ontario (ONT).

Distance:
1345
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1345

Round trip?