# Distance between Casper, WY (CPR) and Harrison, AR (HRO)

Flight distance from Casper to Harrison (Casper–Natrona County International Airport – Boone County Airport) is 844 miles / 1358 kilometers / 733 nautical miles. Estimated flight time is 2 hours 5 minutes.

Driving distance from Casper (CPR) to Harrison (HRO) is 1060 miles / 1706 kilometers and travel time by car is about 17 hours 50 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Boone County Airport (HRO).

## How far is Harrison from Casper?

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

Vincenty's formula (applied above)
• 844.016 miles
• 1358.312 kilometers
• 733.430 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
• 842.923 miles
• 1356.553 kilometers
• 732.480 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 Boone County Airport
City: Harrison, AR
Country: United States
IATA Code: HRO
ICAO Code: KHRO
Coordinates: 36°15′41″N, 93°9′16″W

## Time difference and current local times

The time difference between Casper and Harrison is 1 hour. Harrison is 1 hour ahead of Casper.

MST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 139 kg (306 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Harrison (HRO).

Distance:
844
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
844

Round trip?