Air Miles Calculator

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

Flight distance from Seattle to South Bend (Seattle Boeing Field – South Bend International Airport) is 1802 miles / 2901 kilometers / 1566 nautical miles. Estimated flight time is 3 hours 54 minutes.

Driving distance from Seattle (BFI) to South Bend (SBN) is 2190 miles / 3524 kilometers and travel time by car is about 35 hours 49 minutes.

Map of flight path and driving directions from Seattle to South Bend.

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

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).

Airport information


A Seattle 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

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, WA

 PST

South Bend, IN

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 200 kg (441 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → South Bend (SBN).

Distance:
1802
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1802

Round trip?