How far is Seattle, WA, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Seattle (Seattle Boeing Field) is 1710 miles / 2751 kilometers / 1486 nautical miles.
The driving distance from St Louis (STL) to Seattle (BFI) is 2102 miles / 3383 kilometers, and travel time by car is about 36 hours 32 minutes.
St. Louis Lambert International Airport – Seattle Boeing Field
Search flights
Distance from St Louis to Seattle
There are several ways to calculate the distance from St Louis to Seattle. Here are two standard 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 planet.
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).
How long does it take to fly from St Louis to Seattle?
The estimated flight time from St. Louis Lambert International Airport to Seattle Boeing Field is 3 hours and 44 minutes.
What is the time difference between St Louis and Seattle?
The time difference between St Louis and Seattle is 2 hours. Seattle is 2 hours behind St Louis.
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Seattle Boeing Field (BFI)
On average, flying from St Louis to Seattle generates about 193 kg of CO2 per passenger, and 193 kilograms equals 426 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from St Louis to Seattle
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Seattle Boeing Field (BFI).
Airport information
| Origin | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States  |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |
| Destination | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |