# Distance between Sioux City, IA (SUX) and Rock Springs, WY (RKS)

Flight distance from Sioux City to Rock Springs (Sioux Gateway Airport – Southwest Wyoming Regional Airport) is 655 miles / 1053 kilometers / 569 nautical miles. Estimated flight time is 1 hour 44 minutes.

Driving distance from Sioux City (SUX) to Rock Springs (RKS) is 801 miles / 1289 kilometers and travel time by car is about 13 hours 12 minutes.

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

Shortest flight path between Sioux Gateway Airport (SUX) and Southwest Wyoming Regional Airport (RKS).

## How far is Rock Springs from Sioux City?

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

Vincenty's formula (applied above)
• 654.593 miles
• 1053.465 kilometers
• 568.826 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
• 652.899 miles
• 1050.738 kilometers
• 567.353 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 Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

## Time difference and current local times

The time difference between Sioux City and Rock Springs is 1 hour. Rock Springs is 1 hour behind Sioux City.

CST

MST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 119 kg (263 pounds).

## Frequent Flyer Miles Calculator

Sioux City (SUX) → Rock Springs (RKS).

Distance:
655
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
655

Round trip?