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

The distance between Tok (Tok Junction Airport) and Idaho Falls (Idaho Falls Regional Airport) is 1837 miles / 2957 kilometers / 1596 nautical miles.

The driving distance from Tok (TKJ) to Idaho Falls (IDA) is 2453 miles / 3947 kilometers, and travel time by car is about 46 hours 11 minutes.

Tok Junction Airport – Idaho Falls Regional Airport

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1837
Miles
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2957
Kilometers
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1596
Nautical miles

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Distance from Tok to Idaho Falls

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

Vincenty's formula (applied above)
  • 1837.086 miles
  • 2956.504 kilometers
  • 1596.384 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
  • 1833.580 miles
  • 2950.860 kilometers
  • 1593.337 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 Tok to Idaho Falls?

The estimated flight time from Tok Junction Airport to Idaho Falls Regional Airport is 3 hours and 58 minutes.

Flight carbon footprint between Tok Junction Airport (TKJ) and Idaho Falls Regional Airport (IDA)

On average, flying from Tok to Idaho Falls generates about 203 kg of CO2 per passenger, and 203 kilograms equals 448 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Tok to Idaho Falls

See the map of the shortest flight path between Tok Junction Airport (TKJ) and Idaho Falls Regional Airport (IDA).

Airport information

Origin Tok Junction Airport
City: Tok, AK
Country: United States Flag of United States
IATA Code: TKJ
ICAO Code: PFTO
Coordinates: 63°19′46″N, 142°57′14″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