Air Miles Calculator

Distance between Rock Springs, WY (RKS) and Friday Harbor, WA (FRD)

Flight distance from Rock Springs to Friday Harbor (Southwest Wyoming Regional Airport – Friday Harbor Airport) is 832 miles / 1339 kilometers / 723 nautical miles. Estimated flight time is 2 hours 4 minutes.

Driving distance from Rock Springs (RKS) to Friday Harbor (FRD) is 1077 miles / 1734 kilometers and travel time by car is about 18 hours 49 minutes.

Map of flight path and driving directions from Rock Springs to Friday Harbor.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Friday Harbor Airport (FRD).

How far is Friday Harbor from Rock Springs?

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

Vincenty's formula (applied above)
  • 831.977 miles
  • 1338.938 kilometers
  • 722.969 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
  • 830.579 miles
  • 1336.687 kilometers
  • 721.753 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 Friday Harbor Airport
City: Friday Harbor, WA
Country: United States Flag of United States
IATA Code: FRD
ICAO Code: KFHR
Coordinates: 48°31′19″N, 123°1′26″W

Time difference and current local times

The time difference between Rock Springs and Friday Harbor is 1 hour. Friday Harbor is 1 hour behind Rock Springs.

Time Difference

Rock Springs, WY

 MDT

Friday Harbor, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 138 kg (304 pounds).

Frequent Flyer Miles Calculator

Rock Springs (RKS) → Friday Harbor (FRD).

Distance:
832
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
832

Round trip?