Air Miles Calculator

Distance between Seattle, WA (BFI) and St George, UT (SGU)

Distance from Seattle to St George (Boeing Field – St. George Municipal Airport) is 852 miles / 1371 kilometers / 740 nautical miles.

How far is St George from Seattle?

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

Vincenty's formula (applied above)
  • 851.738 miles
  • 1370.739 kilometers
  • 740.140 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
  • 851.763 miles
  • 1370.780 kilometers
  • 740.162 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).

Flight duration

Estimated flight time from Boeing Field (BFI) to St. George Municipal Airport (SGU) is 2 hours 6 minutes.

Time difference and current local times

The time difference between Seattle and St George is 1 hour. St George is 1 hour ahead of Seattle.

Time Difference

Seattle
St George

Seattle, WA

 PDT

St George, UT

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 140 kg (308 pounds).

Airport information


A 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 St. George Municipal Airport
City: St George, UT
Country: United States Flag of United States
IATA Code: SGU
ICAO Code: KSGU
Coordinates: 37°2′11″N, 113°30′37″W

Seattle to St George flight path

Shortest flight path between Boeing Field (BFI) and St. George Municipal Airport (SGU).

Frequent Flyer Miles Calculator

Seattle (BFI) → St George (SGU).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
852
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
852

Round trip?