Map of flight path and driving directions from Seattle to Sioux City.
Shortest flight path between Seattle Boeing Field (BFI) and Sioux Gateway Airport (SUX).
How far is Sioux City from Seattle?
There are several ways to calculate distances between Seattle and Sioux City. 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 Seattle and Sioux City is 2 hours. Sioux City is 2 hours ahead of Seattle.
Sioux City, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 168 kg (370 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Sioux City (SUX).