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How far is Petersburg, AK, from Ketchikan, AK?

The distance between Ketchikan (Ketchikan International Airport) and Petersburg (Petersburg James A. Johnson Airport) is 111 miles / 178 kilometers / 96 nautical miles.

The driving distance from Ketchikan (KTN) to Petersburg (PSG) is 156 miles / 251 kilometers, and travel time by car is about 9 hours 31 minutes.

Ketchikan International Airport – Petersburg James A. Johnson Airport

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111
Miles
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178
Kilometers
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96
Nautical miles

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Distance from Ketchikan to Petersburg

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

Vincenty's formula (applied above)
  • 110.872 miles
  • 178.431 kilometers
  • 96.345 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
  • 110.682 miles
  • 178.125 kilometers
  • 96.180 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 Petersburg?

The estimated flight time from Ketchikan International Airport to Petersburg James A. Johnson Airport is 42 minutes.

What is the time difference between Ketchikan and Petersburg?

There is no time difference between Ketchikan and Petersburg.

Flight carbon footprint between Ketchikan International Airport (KTN) and Petersburg James A. Johnson Airport (PSG)

On average, flying from Ketchikan to Petersburg generates about 41 kg of CO2 per passenger, and 41 kilograms equals 91 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 Petersburg

See the map of the shortest flight path between Ketchikan International Airport (KTN) and Petersburg James A. Johnson Airport (PSG).

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 Petersburg James A. Johnson Airport
City: Petersburg, AK
Country: United States Flag of United States
IATA Code: PSG
ICAO Code: PAPG
Coordinates: 56°48′6″N, 132°56′42″W