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How far is Block Island, RI, from Ketchikan, AK?

The distance between Ketchikan (Ketchikan International Airport) and Block Island (Block Island State Airport) is 2840 miles / 4571 kilometers / 2468 nautical miles.

The driving distance from Ketchikan (KTN) to Block Island (BID) is 3647 miles / 5870 kilometers, and travel time by car is about 75 hours 9 minutes.

Ketchikan International Airport – Block Island State Airport

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2840
Miles
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4571
Kilometers
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2468
Nautical miles

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Distance from Ketchikan to Block Island

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

Vincenty's formula (applied above)
  • 2840.473 miles
  • 4571.298 kilometers
  • 2468.303 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
  • 2833.080 miles
  • 4559.401 kilometers
  • 2461.880 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 Block Island?

The estimated flight time from Ketchikan International Airport to Block Island State Airport is 5 hours and 52 minutes.

Flight carbon footprint between Ketchikan International Airport (KTN) and Block Island State Airport (BID)

On average, flying from Ketchikan to Block Island generates about 315 kg of CO2 per passenger, and 315 kilograms equals 695 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 Block Island

See the map of the shortest flight path between Ketchikan International Airport (KTN) and Block Island State Airport (BID).

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 Block Island State Airport
City: Block Island, RI
Country: United States Flag of United States
IATA Code: BID
ICAO Code: KBID
Coordinates: 41°10′5″N, 71°34′40″W