Map of flight path and driving directions from Sioux City to Decatur.
Shortest flight path between Sioux Gateway Airport (SUX) and Decatur Airport (DEC).
How far is Decatur from Sioux City?
There are several ways to calculate distances between Sioux City and Decatur. Here are two common methods:Vincenty's formula (applied above)
- 430.319 miles
- 692.531 kilometers
- 373.937 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
- 429.494 miles
- 691.204 kilometers
- 373.220 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 Sioux City and Decatur.
Sioux City, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 88 kg (195 pounds).
Frequent Flyer Miles Calculator
Sioux City (SUX) → Decatur (DEC).