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How far is Rock Springs, WY, from Ketchikan, AK?

The distance between Ketchikan (Ketchikan International Airport) and Rock Springs (Southwest Wyoming Regional Airport) is 1398 miles / 2249 kilometers / 1215 nautical miles.

The driving distance from Ketchikan (KTN) to Rock Springs (RKS) is 1908 miles / 3070 kilometers, and travel time by car is about 43 hours 16 minutes.

Ketchikan International Airport – Southwest Wyoming Regional Airport

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1398
Miles
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2249
Kilometers
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1215
Nautical miles

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Distance from Ketchikan to Rock Springs

There are several ways to calculate the distance from Ketchikan to Rock Springs. Here are two standard 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 planet.

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).

How long does it take to fly from Ketchikan to Rock Springs?

The estimated flight time from Ketchikan International Airport to Southwest Wyoming Regional Airport is 3 hours and 8 minutes.

Flight carbon footprint between Ketchikan International Airport (KTN) and Southwest Wyoming Regional Airport (RKS)

On average, flying from Ketchikan to Rock Springs generates about 173 kg of CO2 per passenger, and 173 kilograms equals 382 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Ketchikan International Airport (KTN) and Southwest Wyoming Regional Airport (RKS).

Airport information

Origin Ketchikan International Airport
City: Ketchikan, AK
Country: United States Flag of United States
IATA Code: KTN
ICAO Code: PAKT
Coordinates: 55°21′19″N, 131°42′38″W
Destination 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