How far is Decatur, IL, from Waco, TX?
The distance between Waco (Waco Regional Airport) and Decatur (Decatur Airport) is 736 miles / 1184 kilometers / 639 nautical miles.
The driving distance from Waco (ACT) to Decatur (DEC) is 867 miles / 1395 kilometers, and travel time by car is about 16 hours 21 minutes.
Waco Regional Airport – Decatur Airport
Search flights
Distance from Waco to Decatur
There are several ways to calculate the distance from Waco to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 735.853 miles
- 1184.241 kilometers
- 639.439 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- 736.127 miles
- 1184.682 kilometers
- 639.677 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 Waco to Decatur?
The estimated flight time from Waco Regional Airport to Decatur Airport is 1 hour and 53 minutes.
What is the time difference between Waco and Decatur?
Flight carbon footprint between Waco Regional Airport (ACT) and Decatur Airport (DEC)
On average, flying from Waco to Decatur generates about 128 kg of CO2 per passenger, and 128 kilograms equals 283 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Waco to Decatur
See the map of the shortest flight path between Waco Regional Airport (ACT) and Decatur Airport (DEC).
Airport information
| Origin | Waco Regional Airport |
|---|---|
| City: | Waco, TX |
| Country: | United States  |
| IATA Code: | ACT |
| ICAO Code: | KACT |
| Coordinates: | 31°36′40″N, 97°13′49″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 |