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How far is Ketchikan, AK, from Greensboro, NC?

The distance between Greensboro (Greensboro Piedmont Triad International Airport) and Ketchikan (Ketchikan International Airport) is 2752 miles / 4428 kilometers / 2391 nautical miles.

The driving distance from Greensboro (GSO) to Ketchikan (KTN) is 3403 miles / 5477 kilometers, and travel time by car is about 70 hours 6 minutes.

Greensboro Piedmont Triad International Airport – Ketchikan International Airport

Distance arrow
2752
Miles
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4428
Kilometers
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2391
Nautical miles

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Distance from Greensboro to Ketchikan

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

Vincenty's formula (applied above)
  • 2751.510 miles
  • 4428.127 kilometers
  • 2390.997 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
  • 2745.902 miles
  • 4419.101 kilometers
  • 2386.124 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 Greensboro to Ketchikan?

The estimated flight time from Greensboro Piedmont Triad International Airport to Ketchikan International Airport is 5 hours and 42 minutes.

Flight carbon footprint between Greensboro Piedmont Triad International Airport (GSO) and Ketchikan International Airport (KTN)

On average, flying from Greensboro to Ketchikan generates about 305 kg of CO2 per passenger, and 305 kilograms equals 672 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Greensboro to Ketchikan

See the map of the shortest flight path between Greensboro Piedmont Triad International Airport (GSO) and Ketchikan International Airport (KTN).

Airport information

Origin Greensboro Piedmont Triad International Airport
City: Greensboro, NC
Country: United States Flag of United States
IATA Code: GSO
ICAO Code: KGSO
Coordinates: 36°5′52″N, 79°56′14″W
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