Air Miles Calculator

Distance between Spokane, WA (GEG) and Ketchikan, AK (KTN)

Distance from Spokane to Ketchikan (Spokane International Airport – Ketchikan International Airport) is 810 miles / 1303 kilometers / 704 nautical miles.

How far is Ketchikan from Spokane?

There are several ways to calculate distances between Spokane and Ketchikan. Here are two common 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 earth.

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).

Flight duration

Estimated flight time from Spokane International Airport (GEG) to Ketchikan International Airport (KTN) is 2 hours 2 minutes.

Time difference and current local times

The time difference between Spokane and Ketchikan is 1 hour. Ketchikan is 1 hour behind Spokane.

Time Difference

Spokane
Ketchikan

Spokane, WA

 PST

Ketchikan, AK

 AKST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 136 kg (299 pounds).

Airport information


A 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

B 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

Map

Spokane to Ketchikan flight map.

Frequent Flyer Miles Calculator

Spokane (GEG) → Ketchikan (KTN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
810
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
810

Round trip?