How far is Houston, TX, from Chicago, IL?
The distance between Chicago (Chicago O'Hare International Airport) and Houston (Houston William P. Hobby Airport) is 945 miles / 1521 kilometers / 821 nautical miles.
The driving distance from Chicago (ORD) to Houston (HOU) is 1081 miles / 1740 kilometers, and travel time by car is about 20 hours 4 minutes.
Chicago O'Hare International Airport – Houston William P. Hobby 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)- 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 planet.
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).
How long does it take to fly from Chicago to Houston?
The estimated flight time from Chicago O'Hare International Airport to Houston William P. Hobby Airport is 2 hours and 17 minutes.
What is the time difference between Chicago and Houston?
Flight carbon footprint between Chicago O'Hare International Airport (ORD) and Houston William P. Hobby Airport (HOU)
On average, flying from Chicago to Houston generates about 147 kg of CO2 per passenger, and 147 kilograms equals 324 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 William P. Hobby Airport (HOU).
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 William P. Hobby Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States |
| IATA Code: | HOU |
| ICAO Code: | KHOU |
| Coordinates: | 29°38′43″N, 95°16′44″W |