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

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

Unalaska Airport – South Bend International Airport

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3620
Miles
Distance arrow
5826
Kilometers
Distance arrow
3146
Nautical miles

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Distance from Unalaska to South Bend

There are several ways to calculate the distance from Unalaska to South Bend. 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 Unalaska to South Bend?

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

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

On average, flying from Unalaska to South Bend 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 Unalaska to South Bend

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

Airport information

Origin 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
Destination 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