Air Miles Calculator

Distance between Casper, WY (CPR) and Grand Rapids, MI (GRR)

Flight distance from Casper to Grand Rapids (Casper–Natrona County International Airport – Gerald R. Ford International Airport) is 1060 miles / 1706 kilometers / 921 nautical miles. Estimated flight time is 2 hours 30 minutes.

Driving distance from Casper (CPR) to Grand Rapids (GRR) is 1237 miles / 1990 kilometers and travel time by car is about 21 hours 36 minutes.

Map of flight path and driving directions from Casper to Grand Rapids.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Gerald R. Ford International Airport (GRR).

How far is Grand Rapids from Casper?

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

Vincenty's formula (applied above)
  • 1060.091 miles
  • 1706.050 kilometers
  • 921.194 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
  • 1057.263 miles
  • 1701.499 kilometers
  • 918.736 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 Gerald R. Ford International Airport
City: Grand Rapids, MI
Country: United States Flag of United States
IATA Code: GRR
ICAO Code: KGRR
Coordinates: 42°52′50″N, 85°31′22″W

Time difference and current local times

The time difference between Casper and Grand Rapids is 2 hours. Grand Rapids is 2 hours ahead of Casper.

Time Difference

Casper, WY

 MST

Grand Rapids, MI

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 155 kg (341 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Grand Rapids (GRR).

Distance:
1060
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1060

Round trip?