How far is Decatur, IL, from Walla Walla, WA?
The distance between Walla Walla (Walla Walla Regional Airport) and Decatur (Decatur Airport) is 1543 miles / 2483 kilometers / 1341 nautical miles.
The driving distance from Walla Walla (ALW) to Decatur (DEC) is 1906 miles / 3067 kilometers, and travel time by car is about 33 hours 0 minutes.
Walla Walla Regional Airport – Decatur Airport
Search flights
Distance from Walla Walla to Decatur
There are several ways to calculate the distance from Walla Walla to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 1542.949 miles
- 2483.135 kilometers
- 1340.786 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- 1539.267 miles
- 2477.210 kilometers
- 1337.586 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 Walla Walla to Decatur?
The estimated flight time from Walla Walla Regional Airport to Decatur Airport is 3 hours and 25 minutes.
What is the time difference between Walla Walla and Decatur?
Flight carbon footprint between Walla Walla Regional Airport (ALW) and Decatur Airport (DEC)
On average, flying from Walla Walla to Decatur generates about 182 kg of CO2 per passenger, and 182 kilograms equals 402 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Walla Walla to Decatur
See the map of the shortest flight path between Walla Walla Regional Airport (ALW) and Decatur Airport (DEC).
Airport information
| Origin | Walla Walla Regional Airport |
|---|---|
| City: | Walla Walla, WA |
| Country: | United States  |
| IATA Code: | ALW |
| ICAO Code: | KALW |
| Coordinates: | 46°5′41″N, 118°17′16″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 |