How far is Seattle, WA, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Seattle (Seattle–Tacoma International Airport) is 1709 miles / 2750 kilometers / 1485 nautical miles.
The driving distance from St Louis (STL) to Seattle (SEA) is 2104 miles / 3386 kilometers, and travel time by car is about 36 hours 36 minutes.
St. Louis Lambert International Airport – Seattle–Tacoma International Airport
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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)- 1709.073 miles
- 2750.486 kilometers
- 1485.144 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- 1705.259 miles
- 2744.349 kilometers
- 1481.830 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–Tacoma International Airport 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–Tacoma International Airport (SEA)
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–Tacoma International Airport (SEA).
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–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |
Airlines flying from St Louis (STL) to Seattle (SEA)
| Alaska Airlines |
| American Airlines |