Air Miles Calculator

Distance between South Bend, IN (SBN) and Unalaska, AK (DUT)

Flight distance from South Bend to Unalaska (South Bend International Airport – Unalaska Airport) is 3620 miles / 5826 kilometers / 3146 nautical miles. Estimated flight time is 7 hours 21 minutes.

Map of flight path from South Bend to Unalaska.

Shortest flight path between South Bend International Airport (SBN) and Unalaska Airport (DUT).

How far is Unalaska from South Bend?

There are several ways to calculate distances between South Bend and Unalaska. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between South Bend and Unalaska is 5 hours. Unalaska is 5 hours behind South Bend.

Time Difference

South Bend, IN

 EDT

Unalaska, AK

 HDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 409 kg (902 pounds).

Frequent Flyer Miles Calculator

South Bend (SBN) → Unalaska (DUT).

Distance:
3620
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3620

Round trip?