# 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
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
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.

MDT

EDT

## 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?