How far is Spokane, WA, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Spokane (Spokane International Airport) is 1522 miles / 2449 kilometers / 1323 nautical miles.
The driving distance from Decatur (DEC) to Spokane (GEG) is 1839 miles / 2959 kilometers, and travel time by car is about 32 hours 27 minutes.
Decatur Airport – Spokane International Airport
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Distance from Decatur to Spokane
There are several ways to calculate the distance from Decatur to Spokane. Here are two standard methods:
Vincenty's formula (applied above)- 1521.958 miles
- 2449.353 kilometers
- 1322.545 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- 1518.497 miles
- 2443.784 kilometers
- 1319.538 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 Spokane?
The estimated flight time from Decatur Airport to Spokane International Airport is 3 hours and 22 minutes.
What is the time difference between Decatur and Spokane?
The time difference between Decatur and Spokane is 2 hours. Spokane is 2 hours behind Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Spokane International Airport (GEG)
On average, flying from Decatur to Spokane generates about 181 kg of CO2 per passenger, and 181 kilograms equals 399 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 Spokane
See the map of the shortest flight path between Decatur Airport (DEC) and Spokane International Airport (GEG).
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 | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″W |