Map of flight path and driving directions from Sioux City to Seattle.
Shortest flight path between Sioux Gateway Airport (SUX) and Seattle Boeing Field (BFI).
How far is Seattle from Sioux City?
There are several ways to calculate distances between Sioux City and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 1312.045 miles
- 2111.532 kilometers
- 1140.136 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
- 1308.711 miles
- 2106.166 kilometers
- 1137.239 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).
Time difference and current local times
The time difference between Sioux City and Seattle is 2 hours. Seattle is 2 hours behind Sioux City.
Sioux City, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 168 kg (370 pounds).
Frequent Flyer Miles Calculator
Sioux City (SUX) → Seattle (BFI).