Map of flight path and driving directions from Casper to Grand Island.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Central Nebraska Regional Airport (GRI).
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).
|A||Casper–Natrona County International Airport|
|B||Central Nebraska Regional Airport|
|City:||Grand Island, NE|
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 (198 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Grand Island (GRI).