Air Miles Calculator

Distance between Salt Lake City, UT (SLC) and Casper, WY (CPR)

Flight distance from Salt Lake City to Casper (Salt Lake City International Airport – Casper–Natrona County International Airport) is 320 miles / 515 kilometers / 278 nautical miles. Estimated flight time is 1 hour 6 minutes.

Driving distance from Salt Lake City (SLC) to Casper (CPR) is 417 miles / 671 kilometers and travel time by car is about 7 hours 30 minutes.

Map of flight path and driving directions from Salt Lake City to Casper.

Shortest flight path between Salt Lake City International Airport (SLC) and Casper–Natrona County International Airport (CPR).

How far is Casper from Salt Lake City?

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

Vincenty's formula (applied above)
  • 319.849 miles
  • 514.747 kilometers
  • 277.941 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
  • 319.265 miles
  • 513.808 kilometers
  • 277.434 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 Salt Lake City International Airport
City: Salt Lake City, UT
Country: United States Flag of United States
IATA Code: SLC
ICAO Code: KSLC
Coordinates: 40°47′18″N, 111°58′40″W

B Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

Time difference and current local times

There is no time difference between Salt Lake City and Casper.

Time Difference

Salt Lake City, UT

 MDT

Casper, WY

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 70 kg (153 pounds).

Frequent Flyer Miles Calculator

Salt Lake City (SLC) → Casper (CPR).

Distance:
320
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
320

Round trip?