Air Miles Calculator

Distance between Chicago, IL (ORD) and Houston, TX (HOU)

Distance from Chicago to Houston (O'Hare International Airport – William P. Hobby Airport) is 945 miles / 1521 kilometers / 821 nautical miles.

How far is Houston from Chicago?

There are several ways to calculate distances between Chicago and Houston. Here are two common methods:

Vincenty's formula (applied above)
  • 944.852 miles
  • 1520.593 kilometers
  • 821.054 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
  • 946.091 miles
  • 1522.586 kilometers
  • 822.130 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 O'Hare International Airport (ORD) to William P. Hobby Airport (HOU) is 2 hours 17 minutes.

Time difference and current local times

There is no time difference between Chicago and Houston.

Time Difference

Chicago
Houston

Chicago, IL

 CST

Houston, TX

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 147 kg (324 pounds).

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B 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

Map

Chicago to Houston flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Houston (HOU).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
945
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
945

Round trip?