# Distance between Sioux City, IA (SUX) and Springfield, IL (SPI)

Flight distance from Sioux City to Springfield (Sioux Gateway Airport – Springfield Abraham Lincoln Capital Airport) is 392 miles / 631 kilometers / 340 nautical miles. Estimated flight time is 1 hour 14 minutes.

Driving distance from Sioux City (SUX) to Springfield (SPI) is 507 miles / 816 kilometers and travel time by car is about 8 hours 59 minutes.

## Map of flight path and driving directions from Sioux City to Springfield.

Shortest flight path between Sioux Gateway Airport (SUX) and Springfield Abraham Lincoln Capital Airport (SPI).

## How far is Springfield from Sioux City?

There are several ways to calculate distances between Sioux City and Springfield. Here are two common methods:

Vincenty's formula (applied above)
• 391.807 miles
• 630.553 kilometers
• 340.471 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
• 391.107 miles
• 629.425 kilometers
• 339.862 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).

## Airport information

A 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

B Springfield Abraham Lincoln Capital Airport
City: Springfield, IL
Country: United States
IATA Code: SPI
ICAO Code: KSPI
Coordinates: 39°50′38″N, 89°40′40″W

## Time difference and current local times

There is no time difference between Sioux City and Springfield.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 83 kg (182 pounds).

## Frequent Flyer Miles Calculator

Sioux City (SUX) → Springfield (SPI).

Distance:
392
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
392

Round trip?