How far is Chicago, IL, from Houston, TX?
The distance between Houston (Houston William P. Hobby Airport) and Chicago (Chicago O'Hare International Airport) is 945 miles / 1521 kilometers / 821 nautical miles.
The driving distance from Houston (HOU) to Chicago (ORD) is 1085 miles / 1746 kilometers, and travel time by car is about 20 hours 13 minutes.
Houston William P. Hobby Airport – Chicago O'Hare International Airport
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Distance from Houston to Chicago
There are several ways to calculate the distance from Houston to Chicago. 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 Houston to Chicago?
The estimated flight time from Houston William P. Hobby Airport to Chicago O'Hare International Airport is 2 hours and 17 minutes.
What is the time difference between Houston and Chicago?
Flight carbon footprint between Houston William P. Hobby Airport (HOU) and Chicago O'Hare International Airport (ORD)
On average, flying from Houston to Chicago 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 Houston to Chicago
See the map of the shortest flight path between Houston William P. Hobby Airport (HOU) and Chicago O'Hare International Airport (ORD).
Airport information
| Origin | 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 |
| Destination | 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 |