Air Miles Calculator

Distance between Seattle, WA (BFI) and Sioux City, IA (SUX)

Flight distance from Seattle to Sioux City (Seattle Boeing Field – Sioux Gateway Airport) is 1312 miles / 2112 kilometers / 1140 nautical miles. Estimated flight time is 2 hours 59 minutes.

Driving distance from Seattle (BFI) to Sioux City (SUX) is 1626 miles / 2616 kilometers and travel time by car is about 25 hours 53 minutes.

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).

Airport information


A 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

B Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″W

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.

Time Difference

Seattle, WA

 PDT

Sioux City, IA

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 168 kg (370 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Sioux City (SUX).

Distance:
1312
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1312

Round trip?