How far is Houston, TX, from Chicago, IL?
The distance between Chicago (Chicago O'Hare International Airport) and Houston (Houston George Bush Intercontinental Airport) is 925 miles / 1489 kilometers / 804 nautical miles.
The driving distance from Chicago (ORD) to Houston (IAH) is 1060 miles / 1706 kilometers, and travel time by car is about 19 hours 35 minutes.
Chicago O'Hare International Airport – Houston George Bush Intercontinental Airport
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Distance from Chicago to Houston
There are several ways to calculate the distance from Chicago to Houston. Here are two standard methods:
Vincenty's formula (applied above)- 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 planet.
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 – the shortest distance between two points).
How long does it take to fly from Chicago to Houston?
The estimated flight time from Chicago O'Hare International Airport to Houston George Bush Intercontinental Airport is 2 hours and 15 minutes.
What is the time difference between Chicago and Houston?
Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Houston George Bush Intercontinental Airport (IAH)
On average, flying from Chicago to Houston generates about 145 kg of CO2 per passenger, and 145 kilograms equals 321 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Chicago to Houston
See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and Houston George Bush Intercontinental Airport (IAH).
Airport information
| Origin | Chicago O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States  |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |
| Destination | Houston George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |
Airlines flying from Chicago (ORD) to Houston (IAH)
| American Airlines |
| Spirit Airlines |
| United Airlines |