# Distance between St Louis, MO (STL) and Sioux City, IA (SUX)

Flight distance from St Louis to Sioux City (St. Louis Lambert International Airport – Sioux Gateway Airport) is 404 miles / 651 kilometers / 351 nautical miles. Estimated flight time is 1 hour 15 minutes.

Driving distance from St Louis (STL) to Sioux City (SUX) is 505 miles / 813 kilometers and travel time by car is about 8 hours 44 minutes.

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

Shortest flight path between St. Louis Lambert International Airport (STL) and Sioux Gateway Airport (SUX).

## How far is Sioux City from St Louis?

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

Vincenty's formula (applied above)
• 404.412 miles
• 650.838 kilometers
• 351.424 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
• 403.998 miles
• 650.172 kilometers
• 351.065 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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B 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

## Time difference and current local times

There is no time difference between St Louis and Sioux City.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 85 kg (186 pounds).

## Frequent Flyer Miles Calculator

St Louis (STL) → Sioux City (SUX).

Distance:
404
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
404

Round trip?