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How far is Idaho Falls, ID, from Ketchikan, AK?

The distance between Ketchikan (Ketchikan International Airport) and Idaho Falls (Idaho Falls Regional Airport) is 1198 miles / 1927 kilometers / 1041 nautical miles.

The driving distance from Ketchikan (KTN) to Idaho Falls (IDA) is 1713 miles / 2757 kilometers, and travel time by car is about 37 hours 56 minutes.

Ketchikan International Airport – Idaho Falls Regional Airport

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1198
Miles
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1927
Kilometers
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1041
Nautical miles

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Distance from Ketchikan to Idaho Falls

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

Vincenty's formula (applied above)
  • 1197.665 miles
  • 1927.455 kilometers
  • 1040.742 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
  • 1195.616 miles
  • 1924.158 kilometers
  • 1038.962 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 Idaho Falls?

The estimated flight time from Ketchikan International Airport to Idaho Falls Regional Airport is 2 hours and 46 minutes.

Flight carbon footprint between Ketchikan International Airport (KTN) and Idaho Falls Regional Airport (IDA)

On average, flying from Ketchikan to Idaho Falls generates about 161 kg of CO2 per passenger, and 161 kilograms equals 356 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 Idaho Falls

See the map of the shortest flight path between Ketchikan International Airport (KTN) and Idaho Falls Regional Airport (IDA).

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 Idaho Falls Regional Airport
City: Idaho Falls, ID
Country: United States Flag of United States
IATA Code: IDA
ICAO Code: KIDA
Coordinates: 43°30′52″N, 112°4′15″W