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

Flight distance from Seattle to St Louis (Seattle–Tacoma International Airport – St. Louis Lambert International Airport) is 1709 miles / 2750 kilometers / 1485 nautical miles. Estimated flight time is 3 hours 44 minutes.

Driving distance from Seattle (SEA) to St Louis (STL) is 2095 miles / 3371 kilometers and travel time by car is about 36 hours 37 minutes.

Seattle – St Louis

Distance arrow
1709
Miles
Distance arrow
2750
Kilometers
Distance arrow
1485
Nautical miles

How far is St Louis from Seattle?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from Seattle to St Louis is 3 hours 44 minutes.

Time difference and current local times

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

Seattle time to St Louis time converter

Time in Seattle: 00:00 ⇆ Time in St Louis: 00:00

Current local times

Seattle, WA

 PDT

St Louis, MO

 CDT

Carbon dioxide emissions

On average flying from Seattle to St Louis generates about 193 kg of CO2 per passenger, 193 kilograms is equal to 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 Seattle to St Louis

Shortest flight path between Seattle–Tacoma International Airport (SEA) and St. Louis Lambert International Airport (STL).

Airport information

Origin Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W
Destination 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

Airlines flying from Seattle (SEA) to St Louis (STL)

Alaska Airlines
American Airlines