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How far is Unalaska, AK, from South Bend, IN?

The distance between South Bend (South Bend International Airport) and Unalaska (Unalaska Airport) is 3620 miles / 5826 kilometers / 3146 nautical miles.

South Bend International Airport – Unalaska Airport

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3620
Miles
Distance arrow
5826
Kilometers
Distance arrow
3146
Nautical miles

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Distance from South Bend to Unalaska

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

Vincenty's formula (applied above)
  • 3619.934 miles
  • 5825.718 kilometers
  • 3145.636 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
  • 3609.931 miles
  • 5809.621 kilometers
  • 3136.944 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 South Bend to Unalaska?

The estimated flight time from South Bend International Airport to Unalaska Airport is 7 hours and 21 minutes.

Flight carbon footprint between South Bend International Airport (SBN) and Unalaska Airport (DUT)

On average, flying from South Bend to Unalaska generates about 409 kg of CO2 per passenger, and 409 kilograms equals 902 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from South Bend to Unalaska

See the map of the shortest flight path between South Bend International Airport (SBN) and Unalaska Airport (DUT).

Airport information

Origin South Bend International Airport
City: South Bend, IN
Country: United States Flag of United States
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″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