How far is Grand Island from Casper?
There are several ways to calculate distances between Casper and Grand Island. Here are two common methods:Vincenty's formula (applied above)
- 440.816 miles
- 709.424 kilometers
- 383.058 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
- 439.816 miles
- 707.815 kilometers
- 382.190 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).
Estimated flight time from Casper–Natrona County International Airport (CPR) to Central Nebraska Regional Airport (GRI) is 1 hour 20 minutes.
Time difference and current local times
The time difference between Casper and Grand Island is 1 hour. Grand Island is 1 hour ahead of Casper.
Grand Island, NE
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 90 kg (199 pounds).
|A||Casper–Natrona County International Airport|
|B||Central Nebraska Regional Airport|
|City:||Grand Island, NE|
Casper to Grand Island flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Grand Island (GRI).