# 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
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
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.

MDT

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?