Air Miles Calculator

Distance between Honolulu, HI (HNL) and Casper, WY (CPR)

Flight distance from Honolulu to Casper (Honolulu Daniel K. Inouye International Airport – Casper–Natrona County International Airport) is 3301 miles / 5313 kilometers / 2869 nautical miles. Estimated flight time is 6 hours 45 minutes.

Map of flight path from Honolulu to Casper.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Casper–Natrona County International Airport (CPR).

How far is Casper from Honolulu?

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

Vincenty's formula (applied above)
  • 3301.180 miles
  • 5312.734 kilometers
  • 2868.647 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
  • 3297.602 miles
  • 5306.976 kilometers
  • 2865.538 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 Honolulu Daniel K. Inouye International Airport
City: Honolulu, HI
Country: United States Flag of United States
IATA Code: HNL
ICAO Code: PHNL
Coordinates: 21°19′7″N, 157°55′19″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

The time difference between Honolulu and Casper is 3 hours. Casper is 3 hours ahead of Honolulu.

Time Difference

Honolulu, HI

 HST

Casper, WY

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 370 kg (817 pounds).

Frequent Flyer Miles Calculator

Honolulu (HNL) → Casper (CPR).

Distance:
3301
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3301

Round trip?