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How far is Watertown, SD, from Ketchikan, AK?

The distance between Ketchikan (Ketchikan International Airport) and Watertown (Watertown Regional Airport) is 1674 miles / 2693 kilometers / 1454 nautical miles.

The driving distance from Ketchikan (KTN) to Watertown (ATY) is 2185 miles / 3516 kilometers, and travel time by car is about 46 hours 52 minutes.

Ketchikan International Airport – Watertown Regional Airport

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1674
Miles
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2693
Kilometers
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1454
Nautical miles

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Distance from Ketchikan to Watertown

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

Vincenty's formula (applied above)
  • 1673.504 miles
  • 2693.244 kilometers
  • 1454.236 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
  • 1669.214 miles
  • 2686.339 kilometers
  • 1450.507 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 Watertown?

The estimated flight time from Ketchikan International Airport to Watertown Regional Airport is 3 hours and 40 minutes.

Flight carbon footprint between Ketchikan International Airport (KTN) and Watertown Regional Airport (ATY)

On average, flying from Ketchikan to Watertown generates about 191 kg of CO2 per passenger, and 191 kilograms equals 421 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 Watertown

See the map of the shortest flight path between Ketchikan International Airport (KTN) and Watertown Regional Airport (ATY).

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 Watertown Regional Airport
City: Watertown, SD
Country: United States Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W