How far is Decatur, IL, from San Antonio, TX?
The distance between San Antonio (San Antonio International Airport) and Decatur (Decatur Airport) is 895 miles / 1440 kilometers / 778 nautical miles.
The driving distance from San Antonio (SAT) to Decatur (DEC) is 1037 miles / 1669 kilometers, and travel time by car is about 19 hours 17 minutes.
San Antonio International Airport – Decatur Airport
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Distance from San Antonio to Decatur
There are several ways to calculate the distance from San Antonio to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 895.020 miles
- 1440.394 kilometers
- 777.751 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- 895.609 miles
- 1441.343 kilometers
- 778.263 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 San Antonio to Decatur?
The estimated flight time from San Antonio International Airport to Decatur Airport is 2 hours and 11 minutes.
What is the time difference between San Antonio and Decatur?
There is no time difference between San Antonio and Decatur.
Flight carbon footprint between San Antonio International Airport (SAT) and Decatur Airport (DEC)
On average, flying from San Antonio to Decatur generates about 143 kg of CO2 per passenger, and 143 kilograms equals 316 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Antonio to Decatur
See the map of the shortest flight path between San Antonio International Airport (SAT) and Decatur Airport (DEC).
Airport information
| Origin | San Antonio International Airport |
|---|---|
| City: | San Antonio, TX |
| Country: | United States  |
| IATA Code: | SAT |
| ICAO Code: | KSAT |
| Coordinates: | 29°32′1″N, 98°28′11″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 |