Map of flight path and driving directions from Des Moines to Decatur.
Shortest flight path between Des Moines International Airport (DSM) and Decatur Airport (DEC).
How far is Decatur from Des Moines?
There are several ways to calculate distances between Des Moines and Decatur. Here are two common methods:Vincenty's formula (applied above)
- 277.889 miles
- 447.219 kilometers
- 241.479 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
- 277.375 miles
- 446.391 kilometers
- 241.032 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).
Time difference and current local times
There is no time difference between Des Moines and Decatur.
Des Moines, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 66 kg (145 pounds).
Frequent Flyer Miles Calculator
Des Moines (DSM) → Decatur (DEC).