# Distance between Rock Springs, WY (RKS) and Duluth, MN (DLH)

Flight distance from Rock Springs to Duluth (Southwest Wyoming Regional Airport – Duluth International Airport) is 910 miles / 1465 kilometers / 791 nautical miles. Estimated flight time is 2 hours 13 minutes.

Driving distance from Rock Springs (RKS) to Duluth (DLH) is 1209 miles / 1945 kilometers and travel time by car is about 20 hours 53 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Duluth International Airport (DLH).

## How far is Duluth from Rock Springs?

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

Vincenty's formula (applied above)
• 910.356 miles
• 1465.076 kilometers
• 791.078 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
• 908.357 miles
• 1461.859 kilometers
• 789.341 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 Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″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 Rock Springs and Duluth is 1 hour. Duluth is 1 hour ahead of Rock Springs.

MDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 144 kg (318 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → Duluth (DLH).

Distance:
910
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
910

Round trip?