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How far is South Bend, IN, from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and South Bend (South Bend International Airport) is 1802 miles / 2901 kilometers / 1566 nautical miles.

The driving distance from Seattle (BFI) to South Bend (SBN) is 2138 miles / 3440 kilometers, and travel time by car is about 38 hours 3 minutes.

Seattle Boeing Field – South Bend International Airport

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1802
Miles
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2901
Kilometers
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1566
Nautical miles

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Distance from Seattle to South Bend

There are several ways to calculate the distance from Seattle to South Bend. Here are two standard 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 planet.

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).

How long does it take to fly from Seattle to South Bend?

The estimated flight time from Seattle Boeing Field to South Bend International Airport is 3 hours and 54 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and South Bend International Airport (SBN)

On average, flying from Seattle to South Bend generates about 200 kg of CO2 per passenger, and 200 kilograms equals 441 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Seattle Boeing Field (BFI) and South Bend International Airport (SBN).

Airport information

Origin 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
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