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How far is Portsmouth, NH, from Klamath Falls, OR?

The distance between Klamath Falls (Crater Lake–Klamath Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2555 miles / 4113 kilometers / 2221 nautical miles.

The driving distance from Klamath Falls (LMT) to Portsmouth (PSM) is 3206 miles / 5159 kilometers, and travel time by car is about 57 hours 18 minutes.

Crater Lake–Klamath Regional Airport – Portsmouth International Airport at Pease

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2555
Miles
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4113
Kilometers
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2221
Nautical miles

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Distance from Klamath Falls to Portsmouth

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

Vincenty's formula (applied above)
  • 2555.430 miles
  • 4112.565 kilometers
  • 2220.608 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
  • 2548.666 miles
  • 4101.680 kilometers
  • 2214.730 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 Portsmouth?

The estimated flight time from Crater Lake–Klamath Regional Airport to Portsmouth International Airport at Pease is 5 hours and 20 minutes.

Flight carbon footprint between Crater Lake–Klamath Regional Airport (LMT) and Portsmouth International Airport at Pease (PSM)

On average, flying from Klamath Falls to Portsmouth generates about 282 kg of CO2 per passenger, and 282 kilograms equals 621 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 Portsmouth

See the map of the shortest flight path between Crater Lake–Klamath Regional Airport (LMT) and Portsmouth International Airport at Pease (PSM).

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 Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″W