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

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

The driving distance from Idaho Falls (IDA) to Lewistown (LWT) is 362 miles / 583 kilometers, and travel time by car is about 7 hours 39 minutes.

Idaho Falls Regional Airport – Lewistown Municipal 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 Idaho Falls to Lewistown

There are several ways to calculate the distance from Idaho Falls to Lewistown. 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 Idaho Falls to Lewistown?

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

What is the time difference between Idaho Falls and Lewistown?

There is no time difference between Idaho Falls and Lewistown.

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

On average, flying from Idaho Falls to Lewistown 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 Idaho Falls to Lewistown

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

Airport information

Origin 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
Destination 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