How far is Decatur, IL, from Houston, TX?
The distance between Houston (Houston William P. Hobby Airport) and Decatur (Decatur Airport) is 791 miles / 1273 kilometers / 687 nautical miles.
The driving distance from Houston (HOU) to Decatur (DEC) is 926 miles / 1490 kilometers, and travel time by car is about 17 hours 13 minutes.
Houston William P. Hobby Airport – Decatur Airport
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Distance from Houston to Decatur
There are several ways to calculate the distance from Houston to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 790.945 miles
- 1272.903 kilometers
- 687.312 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- 792.030 miles
- 1274.649 kilometers
- 688.255 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 Decatur?
The estimated flight time from Houston William P. Hobby Airport to Decatur Airport is 1 hour and 59 minutes.
What is the time difference between Houston and Decatur?
Flight carbon footprint between Houston William P. Hobby Airport (HOU) and Decatur Airport (DEC)
On average, flying from Houston to Decatur generates about 134 kg of CO2 per passenger, and 134 kilograms equals 295 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 Decatur
See the map of the shortest flight path between Houston William P. Hobby Airport (HOU) and Decatur Airport (DEC).
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 | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |