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How far is Idaho Falls, ID, from Lewistown, MT?

The distance between Lewistown (Lewistown Municipal Airport) and Idaho Falls (Idaho Falls Regional Airport) is 275 miles / 443 kilometers / 239 nautical miles.

The driving distance from Lewistown (LWT) to Idaho Falls (IDA) is 362 miles / 583 kilometers, and travel time by car is about 7 hours 40 minutes.

Lewistown Municipal Airport – Idaho Falls Regional Airport

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275
Miles
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443
Kilometers
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239
Nautical miles

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Distance from Lewistown to Idaho Falls

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

Vincenty's formula (applied above)
  • 275.096 miles
  • 442.725 kilometers
  • 239.052 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
  • 275.045 miles
  • 442.642 kilometers
  • 239.008 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 Lewistown to Idaho Falls?

The estimated flight time from Lewistown Municipal Airport to Idaho Falls Regional Airport is 1 hour and 1 minutes.

What is the time difference between Lewistown and Idaho Falls?

There is no time difference between Lewistown and Idaho Falls.

Flight carbon footprint between Lewistown Municipal Airport (LWT) and Idaho Falls Regional Airport (IDA)

On average, flying from Lewistown to Idaho Falls generates about 66 kg of CO2 per passenger, and 66 kilograms equals 144 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Lewistown Municipal Airport (LWT) and Idaho Falls Regional Airport (IDA).

Airport information

Origin Lewistown Municipal Airport
City: Lewistown, MT
Country: United States Flag of United States
IATA Code: LWT
ICAO Code: KLWT
Coordinates: 47°2′57″N, 109°28′1″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