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Houston (IAH) - Chicago (ORD)
Calculations with different methods
- 925.103 miles
- 1488.809 kilometers
- 803.892 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
- 926.249 miles
- 1490.654 kilometers
- 804.889 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from George Bush Intercontinental Airport (IAH) to O'Hare International Airport (ORD) is 2 hours 15 minutes.
Time difference and current local times
There is no time difference between Houston and Chicago.
Flight map from Houston to Chicago.
Frequent Flyer Miles Calculator
Houston (IAH) → Chicago (ORD).