Air Miles Calculator

Distance between Casper, WY (CPR) and Grand Island, NE (GRI)

Flight distance from Casper to Grand Island (Casper–Natrona County International Airport – Central Nebraska Regional Airport) is 441 miles / 709 kilometers / 383 nautical miles. Estimated flight time is 1 hour 20 minutes.

Driving distance from Casper (CPR) to Grand Island (GRI) is 554 miles / 892 kilometers and travel time by car is about 8 hours 52 minutes.

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).

Airport information


A 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

B Central Nebraska Regional Airport
City: Grand Island, NE
Country: United States Flag of United States
IATA Code: GRI
ICAO Code: KGRI
Coordinates: 40°58′2″N, 98°18′34″W

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.

Time Difference

Casper, WY

 MST

Grand Island, NE

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 90 kg (198 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Grand Island (GRI).

Distance:
441
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
441

Round trip?