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How far is Portland, ME, from Ketchikan, AK?

The distance between Ketchikan (Ketchikan International Airport) and Portland (Portland International Jetport) is 2780 miles / 4473 kilometers / 2415 nautical miles.

The driving distance from Ketchikan (KTN) to Portland (PWM) is 3672 miles / 5910 kilometers, and travel time by car is about 76 hours 10 minutes.

Ketchikan International Airport – Portland International Jetport

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2780
Miles
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4473
Kilometers
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2415
Nautical miles

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Distance from Ketchikan to Portland

There are several ways to calculate the distance from Ketchikan to Portland. Here are two standard methods:

Vincenty's formula (applied above)
  • 2779.558 miles
  • 4473.264 kilometers
  • 2415.370 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
  • 2771.792 miles
  • 4460.767 kilometers
  • 2408.622 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 Ketchikan to Portland?

The estimated flight time from Ketchikan International Airport to Portland International Jetport is 5 hours and 45 minutes.

Flight carbon footprint between Ketchikan International Airport (KTN) and Portland International Jetport (PWM)

On average, flying from Ketchikan to Portland generates about 308 kg of CO2 per passenger, and 308 kilograms equals 679 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ketchikan to Portland

See the map of the shortest flight path between Ketchikan International Airport (KTN) and Portland International Jetport (PWM).

Airport information

Origin Ketchikan International Airport
City: Ketchikan, AK
Country: United States Flag of United States
IATA Code: KTN
ICAO Code: PAKT
Coordinates: 55°21′19″N, 131°42′38″W
Destination Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W