Distance between Casper, WY (CPR) and Gustavus, AK (GST)

Flight distance from Casper to Gustavus (Casper–Natrona County International Airport – Gustavus Airport) is 1650 miles / 2656 kilometers / 1434 nautical miles. Estimated flight time is 3 hours 37 minutes.

Driving distance from Casper (CPR) to Gustavus (GST) is 2215 miles / 3564 kilometers and travel time by car is about 51 hours 10 minutes.

Map of flight path and driving directions from Casper to Gustavus.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Gustavus Airport (GST).

How far is Gustavus from Casper?

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

Vincenty's formula (applied above)
• 1650.467 miles
• 2656.170 kilometers
• 1434.217 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
• 1647.237 miles
• 2650.970 kilometers
• 1431.409 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 Gustavus Airport
City: Gustavus, AK
Country: United States
IATA Code: GST
ICAO Code: PAGS
Coordinates: 58°25′31″N, 135°42′25″W

Time difference and current local times

The time difference between Casper and Gustavus is 2 hours. Gustavus is 2 hours behind Casper.

MST

AKST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 189 kg (417 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Gustavus (GST).

Distance:
1650
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1650

Round trip?