How far is Houston, TX, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Houston (Houston George Bush Intercontinental Airport) is 772 miles / 1242 kilometers / 671 nautical miles.
The driving distance from Decatur (DEC) to Houston (IAH) is 902 miles / 1452 kilometers, and travel time by car is about 16 hours 42 minutes.
Decatur Airport – Houston George Bush Intercontinental Airport
Search flights
Distance from Decatur to Houston
There are several ways to calculate the distance from Decatur to Houston. Here are two standard methods:
Vincenty's formula (applied above)- 771.640 miles
- 1241.833 kilometers
- 670.536 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- 772.630 miles
- 1243.428 kilometers
- 671.398 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 Decatur to Houston?
The estimated flight time from Decatur Airport to Houston George Bush Intercontinental Airport is 1 hour and 57 minutes.
What is the time difference between Decatur and Houston?
Flight carbon footprint between Decatur Airport (DEC) and Houston George Bush Intercontinental Airport (IAH)
On average, flying from Decatur to Houston generates about 132 kg of CO2 per passenger, and 132 kilograms equals 291 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Decatur to Houston
See the map of the shortest flight path between Decatur Airport (DEC) and Houston George Bush Intercontinental Airport (IAH).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″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 |