# 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
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
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.

PDT

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?