How far is Decatur, IL, from Spokane, WA?
The distance between Spokane (Spokane International Airport) and Decatur (Decatur Airport) is 1522 miles / 2449 kilometers / 1323 nautical miles.
The driving distance from Spokane (GEG) to Decatur (DEC) is 1818 miles / 2925 kilometers, and travel time by car is about 32 hours 31 minutes.
Spokane International Airport – Decatur Airport
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Distance from Spokane to Decatur
There are several ways to calculate the distance from Spokane to Decatur. 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 Spokane to Decatur?
The estimated flight time from Spokane International Airport to Decatur Airport is 3 hours and 22 minutes.
What is the time difference between Spokane and Decatur?
The time difference between Spokane and Decatur is 2 hours. Decatur is 2 hours ahead of Spokane.
Flight carbon footprint between Spokane International Airport (GEG) and Decatur Airport (DEC)
On average, flying from Spokane to Decatur 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 Spokane to Decatur
See the map of the shortest flight path between Spokane International Airport (GEG) and Decatur Airport (DEC).
Airport information
| Origin | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States  |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″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 |