Air Miles Calculator

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 Flag of 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 Flag of 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.

Time Difference

Rock Springs, WY

 MDT

Duluth, MN

 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?