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How far is Decatur, IL, from Klamath Falls, OR?

The distance between Klamath Falls (Crater Lake–Klamath Regional Airport) and Decatur (Decatur Airport) is 1715 miles / 2760 kilometers / 1490 nautical miles.

The driving distance from Klamath Falls (LMT) to Decatur (DEC) is 2129 miles / 3427 kilometers, and travel time by car is about 37 hours 17 minutes.

Crater Lake–Klamath Regional Airport – Decatur Airport

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1715
Miles
Distance arrow
2760
Kilometers
Distance arrow
1490
Nautical miles

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Distance from Klamath Falls to Decatur

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

Vincenty's formula (applied above)
  • 1715.193 miles
  • 2760.336 kilometers
  • 1490.462 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
  • 1710.865 miles
  • 2753.371 kilometers
  • 1486.701 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 Klamath Falls to Decatur?

The estimated flight time from Crater Lake–Klamath Regional Airport to Decatur Airport is 3 hours and 44 minutes.

Flight carbon footprint between Crater Lake–Klamath Regional Airport (LMT) and Decatur Airport (DEC)

On average, flying from Klamath Falls to Decatur generates about 194 kg of CO2 per passenger, and 194 kilograms equals 427 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Klamath Falls to Decatur

See the map of the shortest flight path between Crater Lake–Klamath Regional Airport (LMT) and Decatur Airport (DEC).

Airport information

Origin Crater Lake–Klamath Regional Airport
City: Klamath Falls, OR
Country: United States Flag of United States
IATA Code: LMT
ICAO Code: KLMT
Coordinates: 42°9′21″N, 121°43′58″W
Destination Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W