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.
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Seattle - South Bend
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  |
| 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 |
| 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
South Bend, IN
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 200 kg (441 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → South Bend (SBN).
In total
Round trip?