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

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

The driving distance from Ketchikan (KTN) to Lopez (LPS) is 1091 miles / 1755 kilometers, and travel time by car is about 27 hours 50 minutes.

Ketchikan International Airport – Lopez Island 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 Ketchikan to Lopez

There are several ways to calculate the distance from Ketchikan to Lopez. 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 Ketchikan to Lopez?

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

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

On average, flying from Ketchikan to Lopez 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 Ketchikan to Lopez

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

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 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