# Distance between Casper, WY (CPR) and Huron, SD (HON)

Flight distance from Casper to Huron (Casper–Natrona County International Airport – Huron Regional Airport) is 425 miles / 684 kilometers / 369 nautical miles. Estimated flight time is 1 hour 18 minutes.

Driving distance from Casper (CPR) to Huron (HON) is 575 miles / 926 kilometers and travel time by car is about 9 hours 43 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Huron Regional Airport (HON).

## How far is Huron from Casper?

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

Vincenty's formula (applied above)
• 425.070 miles
• 684.084 kilometers
• 369.376 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
• 424.004 miles
• 682.368 kilometers
• 368.449 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 Huron Regional Airport
City: Huron, SD
Country: United States
IATA Code: HON
ICAO Code: KHON
Coordinates: 44°23′6″N, 98°13′42″W

## Time difference and current local times

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

MST

CST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 88 kg (193 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Huron (HON).

Distance:
425
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
425

Round trip?