Air Miles Calculator

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

Distance from Houston to Ontario (William P. Hobby Airport – Ontario International Airport) is 1345 miles / 2164 kilometers / 1168 nautical miles.

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).

Flight duration

Estimated flight time from William P. Hobby Airport (HOU) to Ontario International Airport (ONT) 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.

Time Difference

Houston
Ontario

Houston, TX

 CST

Ontario, CA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 166 kg (367 pounds).

Airport information


A 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

Map

Houston to Ontario flight map.

Frequent Flyer Miles Calculator

Houston (HOU) → Ontario (ONT).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1345
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1345

Round trip?