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How far is Ketchikan, AK, from Lopez, WA?

The distance between Lopez (Lopez Island Airport) and Ketchikan (Ketchikan International Airport) is 604 miles / 973 kilometers / 525 nautical miles.

The driving distance from Lopez (LPS) to Ketchikan (KTN) is 1090 miles / 1754 kilometers, and travel time by car is about 27 hours 48 minutes.

Lopez Island Airport – Ketchikan International Airport

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604
Miles
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973
Kilometers
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525
Nautical miles

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Distance from Lopez to Ketchikan

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

Vincenty's formula (applied above)
  • 604.305 miles
  • 972.534 kilometers
  • 525.127 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
  • 603.334 miles
  • 970.971 kilometers
  • 524.283 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 Lopez to Ketchikan?

The estimated flight time from Lopez Island Airport to Ketchikan International Airport is 1 hour and 38 minutes.

Flight carbon footprint between Lopez Island Airport (LPS) and Ketchikan International Airport (KTN)

On average, flying from Lopez to Ketchikan generates about 113 kg of CO2 per passenger, and 113 kilograms equals 250 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Lopez to Ketchikan

See the map of the shortest flight path between Lopez Island Airport (LPS) and Ketchikan International Airport (KTN).

Airport information

Origin Lopez Island Airport
City: Lopez, WA
Country: United States Flag of United States
IATA Code: LPS
ICAO Code: S31
Coordinates: 48°29′2″N, 122°56′16″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