Air Miles Calculator

Distance between St Louis, MO (STL) and Seattle, WA (BFI)

Distance from St Louis to Seattle (St. Louis Lambert International Airport – Boeing Field) is 1710 miles / 2751 kilometers / 1486 nautical miles.

How far is Seattle from St Louis?

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

Vincenty's formula (applied above)
  • 1709.613 miles
  • 2751.355 kilometers
  • 1485.613 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
  • 1705.807 miles
  • 2745.230 kilometers
  • 1482.306 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 St. Louis Lambert International Airport (STL) to Boeing Field (BFI) is 3 hours 44 minutes.

Time difference and current local times

The time difference between St Louis and Seattle is 2 hours. Seattle is 2 hours behind St Louis.

Time Difference

St Louis
Seattle

St Louis, MO

 CST

Seattle, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 188 kg (414 pounds).

Airport information


A St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B 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

Map

St Louis to Seattle flight map.

Frequent Flyer Miles Calculator

St Louis (STL) → Seattle (BFI).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1710
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1710

Round trip?