Air Miles Calculator

Distance between Seattle, WA (BFI) and South Bend, IN (SBN)

Distance from Seattle to South Bend (Boeing Field – South Bend International Airport) is 1802 miles / 2901 kilometers / 1566 nautical miles.

How far is South Bend from Seattle?

There are several ways to calculate distances between Seattle and South Bend. Here are two common methods:

Vincenty's formula (applied above)
  • 1802.369 miles
  • 2900.631 kilometers
  • 1566.215 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
  • 1797.690 miles
  • 2893.102 kilometers
  • 1562.150 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to South Bend International Airport (SBN) is 3 hours 54 minutes.

Time difference and current local times

The time difference between Seattle and South Bend is 3 hours. South Bend is 3 hours ahead of Seattle.

Time Difference

Seattle
South Bend

Seattle, WA

 PDT

South Bend, IN

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 198 kg (437 pounds).

Airport information


A Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B 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

Seattle to South Bend flight path

Shortest flight path between Boeing Field (BFI) and South Bend International Airport (SBN).

Frequent Flyer Miles Calculator

Seattle (BFI) → South Bend (SBN).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1802
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1802

Round trip?