Air Miles Calculator

Distance between Fairbanks, AK (FAI) and Decatur, IL (DEC)

Distance from Fairbanks to Decatur (Fairbanks International Airport – Decatur Airport) is 2879 miles / 4634 kilometers / 2502 nautical miles.

How far is Decatur from Fairbanks?

There are several ways to calculate distances between Fairbanks and Decatur. Here are two common methods:

Vincenty's formula (applied above)
  • 2879.375 miles
  • 4633.904 kilometers
  • 2502.108 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 2872.920 miles
  • 4623.516 kilometers
  • 2496.499 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).

Flight duration

Estimated flight time from Fairbanks International Airport (FAI) to Decatur Airport (DEC) is 5 hours 57 minutes.

Time difference and current local times

The time difference between Fairbanks and Decatur is 3 hours. Decatur is 3 hours ahead of Fairbanks.

Time Difference

Fairbanks
Decatur

Fairbanks, AK

 AKST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 325 kg (716 pounds).

Airport information


A Fairbanks International Airport
City: Fairbanks, AK
Country: United States Flag of United States
IATA Code: FAI
ICAO Code: PAFA
Coordinates: 64°48′54″N, 147°51′21″W

B Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W

Map

Fairbanks to Decatur flight map.

Frequent Flyer Miles Calculator

Fairbanks (FAI) → Decatur (DEC).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2879
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2879

Round trip?