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How far is Ketchikan, AK, from Naha?

The distance between Naha (Naha Airport) and Ketchikan (Ketchikan International Airport) is 5150 miles / 8288 kilometers / 4475 nautical miles.

Naha Airport – Ketchikan International Airport

Distance arrow
5150
Miles
Distance arrow
8288
Kilometers
Distance arrow
4475
Nautical miles

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Distance from Naha to Ketchikan

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

Vincenty's formula (applied above)
  • 5150.040 miles
  • 8288.185 kilometers
  • 4475.262 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
  • 5140.396 miles
  • 8272.666 kilometers
  • 4466.882 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 Naha to Ketchikan?

The estimated flight time from Naha Airport to Ketchikan International Airport is 10 hours and 15 minutes.

Flight carbon footprint between Naha Airport (OKA) and Ketchikan International Airport (KTN)

On average, flying from Naha to Ketchikan generates about 603 kg of CO2 per passenger, and 603 kilograms equals 1 330 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Naha to Ketchikan

See the map of the shortest flight path between Naha Airport (OKA) and Ketchikan International Airport (KTN).

Airport information

Origin Naha Airport
City: Naha
Country: Japan Flag of Japan
IATA Code: OKA
ICAO Code: ROAH
Coordinates: 26°11′44″N, 127°38′45″E
Destination 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