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How far is Ketchikan, AK, from Spokane, WA?

The distance between Spokane (Spokane International Airport) and Ketchikan (Ketchikan International Airport) is 810 miles / 1303 kilometers / 704 nautical miles.

The driving distance from Spokane (GEG) to Ketchikan (KTN) is 1238 miles / 1992 kilometers, and travel time by car is about 30 hours 5 minutes.

Spokane International Airport – Ketchikan International Airport

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810
Miles
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1303
Kilometers
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704
Nautical miles

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Distance from Spokane to Ketchikan

There are several ways to calculate the distance from Spokane to Ketchikan. Here are two standard methods:

Vincenty's formula (applied above)
  • 809.886 miles
  • 1303.385 kilometers
  • 703.772 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
  • 808.246 miles
  • 1300.746 kilometers
  • 702.347 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 Spokane to Ketchikan?

The estimated flight time from Spokane International Airport to Ketchikan International Airport is 2 hours and 2 minutes.

Flight carbon footprint between Spokane International Airport (GEG) and Ketchikan International Airport (KTN)

On average, flying from Spokane to Ketchikan generates about 136 kg of CO2 per passenger, and 136 kilograms equals 299 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Spokane to Ketchikan

See the map of the shortest flight path between Spokane International Airport (GEG) and Ketchikan International Airport (KTN).

Airport information

Origin Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″W
Destination 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