# Distance between Casper, WY (CPR) and Duluth, MN (DLH)

Flight distance from Casper to Duluth (Casper–Natrona County International Airport – Duluth International Airport) is 750 miles / 1207 kilometers / 652 nautical miles. Estimated flight time is 1 hour 55 minutes.

Driving distance from Casper (CPR) to Duluth (DLH) is 992 miles / 1596 kilometers and travel time by car is about 16 hours 43 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Duluth International Airport (DLH).

## How far is Duluth from Casper?

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

Vincenty's formula (applied above)
• 750.135 miles
• 1207.226 kilometers
• 651.850 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
• 748.381 miles
• 1204.402 kilometers
• 650.325 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 Duluth International Airport
City: Duluth, MN
Country: United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W

## Time difference and current local times

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

MDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 130 kg (286 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Duluth (DLH).

Distance:
750
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
750

Round trip?