# Distance between Casper, WY (CPR) and Redmond, OR (RDM)

Flight distance from Casper to Redmond (Casper–Natrona County International Airport – Roberts Field) is 742 miles / 1194 kilometers / 645 nautical miles. Estimated flight time is 1 hour 54 minutes.

Driving distance from Casper (CPR) to Redmond (RDM) is 1036 miles / 1667 kilometers and travel time by car is about 18 hours 28 minutes.

## Map of flight path and driving directions from Casper to Redmond.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Roberts Field (RDM).

## How far is Redmond from Casper?

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

Vincenty's formula (applied above)
• 741.867 miles
• 1193.920 kilometers
• 644.665 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
• 739.900 miles
• 1190.753 kilometers
• 642.955 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 Roberts Field
City: Redmond, OR
Country: United States
IATA Code: RDM
ICAO Code: KRDM
Coordinates: 44°15′14″N, 121°9′0″W

## Time difference and current local times

The time difference between Casper and Redmond is 1 hour. Redmond is 1 hour behind Casper.

MDT

PDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 129 kg (285 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Redmond (RDM).

Distance:
742
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
742

Round trip?