How far is Decatur, IL, from Sioux City, IA?

The distance between Sioux City (Sioux Gateway Airport) and Decatur (Decatur Airport) is 430 miles / 693 kilometers / 374 nautical miles.

The driving distance from Sioux City (SUX) to Decatur (DEC) is 544 miles / 876 kilometers, and travel time by car is about 10 hours 6 minutes.

Distance from Sioux City to Decatur

There are several ways to calculate the distance from Sioux City to Decatur. Here are two standard 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 planet.

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).

How long does it take to fly from Sioux City to Decatur?

The estimated flight time from Sioux Gateway Airport to Decatur Airport is 1 hour and 18 minutes.

What is the time difference between Sioux City and Decatur?

There is no time difference between Sioux City and Decatur.

Flight carbon footprint between Sioux Gateway Airport (SUX) and Decatur Airport (DEC)

On average, flying from Sioux City to Decatur generates about 88 kg of CO2 per passenger, and 88 kilograms equals 195 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Sioux City to Decatur

See the map of the shortest flight path between Sioux Gateway Airport (SUX) and Decatur Airport (DEC).

Airport information

Origin	Sioux Gateway Airport
City:	Sioux City, IA
Country:	United States
IATA Code:	SUX
ICAO Code:	KSUX
Coordinates:	42°24′9″N, 96°23′3″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