# Distance between Casper, WY (CPR) and Sioux City, IA (SUX)

Flight distance from Casper to Sioux City (Casper–Natrona County International Airport – Sioux Gateway Airport) is 514 miles / 828 kilometers / 447 nautical miles. Estimated flight time is 1 hour 28 minutes.

Driving distance from Casper (CPR) to Sioux City (SUX) is 570 miles / 917 kilometers and travel time by car is about 10 hours 43 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Sioux Gateway Airport (SUX).

## How far is Sioux City from Casper?

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

Vincenty's formula (applied above)
• 514.424 miles
• 827.886 kilometers
• 447.023 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
• 513.068 miles
• 825.703 kilometers
• 445.844 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 Casper–Natrona County International Airport
City: Casper, WY
Country: United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″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

The time difference between Casper and Sioux City is 1 hour. Sioux City is 1 hour ahead of Casper.

MST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 101 kg (222 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Sioux City (SUX).

Distance:
514
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
514

Round trip?