# Distance between Rock Springs, WY (RKS) and Ketchikan, AK (KTN)

Flight distance from Rock Springs to Ketchikan (Southwest Wyoming Regional Airport – Ketchikan International Airport) is 1398 miles / 2249 kilometers / 1215 nautical miles. Estimated flight time is 3 hours 8 minutes.

Driving distance from Rock Springs (RKS) to Ketchikan (KTN) is 1906 miles / 3067 kilometers and travel time by car is about 40 hours 43 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Ketchikan International Airport (KTN).

## How far is Ketchikan from Rock Springs?

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

Vincenty's formula (applied above)
• 1397.650 miles
• 2249.299 kilometers
• 1214.524 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
• 1395.396 miles
• 2245.673 kilometers
• 1212.566 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 Ketchikan International Airport
City: Ketchikan, AK
Country: United States
IATA Code: KTN
ICAO Code: PAKT
Coordinates: 55°21′19″N, 131°42′38″W

## Time difference and current local times

The time difference between Rock Springs and Ketchikan is 2 hours. Ketchikan is 2 hours behind Rock Springs.

MDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 173 kg (382 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → Ketchikan (KTN).

Distance:
1398
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1398

Round trip?