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

Flight distance from South Bend to Seattle (South Bend International Airport – Seattle–Tacoma International Airport) is 1803 miles / 2901 kilometers / 1567 nautical miles. Estimated flight time is 3 hours 54 minutes.

Driving distance from South Bend (SBN) to Seattle (SEA) is 2194 miles / 3531 kilometers and travel time by car is about 35 hours 56 minutes.

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

Shortest flight path between South Bend International Airport (SBN) and Seattle–Tacoma International Airport (SEA).

How far is Seattle from South Bend?

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

Vincenty's formula (applied above)
• 1802.755 miles
• 2901.253 kilometers
• 1566.551 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
• 1798.072 miles
• 2893.716 kilometers
• 1562.482 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
IATA Code: SBN
ICAO Code: KSBN
Coordinates: 41°42′31″N, 86°19′2″W

B Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Time difference and current local times

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

EDT

PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 200 kg (442 pounds).

Frequent Flyer Miles Calculator

South Bend (SBN) → Seattle (SEA).

Distance:
1803
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1803

Round trip?