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How far is Unalaska, AK, from Reading, PA?

The distance between Reading (Reading Regional Airport) and Unalaska (Unalaska Airport) is 4070 miles / 6549 kilometers / 3536 nautical miles.

Reading Regional Airport – Unalaska Airport

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4070
Miles
Distance arrow
6549
Kilometers
Distance arrow
3536
Nautical miles

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Distance from Reading to Unalaska

There are several ways to calculate the distance from Reading to Unalaska. Here are two standard methods:

Vincenty's formula (applied above)
  • 4069.651 miles
  • 6549.469 kilometers
  • 3536.430 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
  • 4058.605 miles
  • 6531.692 kilometers
  • 3526.832 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 Reading to Unalaska?

The estimated flight time from Reading Regional Airport to Unalaska Airport is 8 hours and 12 minutes.

Flight carbon footprint between Reading Regional Airport (RDG) and Unalaska Airport (DUT)

On average, flying from Reading to Unalaska generates about 465 kg of CO2 per passenger, and 465 kilograms equals 1 025 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Reading to Unalaska

See the map of the shortest flight path between Reading Regional Airport (RDG) and Unalaska Airport (DUT).

Airport information

Origin Reading Regional Airport
City: Reading, PA
Country: United States Flag of United States
IATA Code: RDG
ICAO Code: KRDG
Coordinates: 40°22′42″N, 75°57′54″W
Destination Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″W