The distance from Lambert-St. Louis International Airport to Williamson County Regional Airport is:

133 miles / 214 km driving

100 miles / 162 km flying

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Distance from STL to MWA

The total driving distance from STL to MWA is 133 miles or 214 kilometers.

The total straight line flight distance from STL to MWA is 100 miles.

This is equivalent to 162 kilometers or 87 nautical miles.

Your trip begins at Lambert-St. Louis International Airport in Saint Louis, Missouri. It ends at Williamson County Regional Airport in Marion, Illinois.

Your flight direction from STL to MWA is Southeast (133 degrees from North).

The distance calculator helps you figure out how far it is to get from STL to MWA. It does this by computing the straight line flying distance ("as the crow flies") and the driving distance if the route is drivable. It uses all this data to compute the total travel mileage.

Lambert-St. Louis International Airport

IATA: STL
ICAO: KSTL
FAA: STL
City: Saint Louis
State: Missouri
Zip code: 63145
Country: United States
Category: airports

Williamson County Regional Airport

IATA: MWA
ICAO: KMWA
FAA: MWA
City: Marion
State: Illinois
Zip code: 62959
Country: United States
Category: airports

Distance calculator

Travelmath helps you find distances based on actual road trip directions, or the straight line flight distance. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination. Compare the results to the straight line distance to determine whether it's better to drive or fly. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips. You can also print out pages with a travel map.



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