The distance from Saint Louis, Missouri to Mount Vernon, Illinois is:
79 miles / 127 km driving
73 miles / 118 km flying
Map of distance from Saint Louis, MO to Mount Vernon, IL
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Distance from Saint Louis, MO to Mount Vernon, IL
The total driving distance from Saint Louis, MO to Mount Vernon, IL is 79 miles or 127 kilometers.
The total straight line flight distance from Saint Louis, MO to Mount Vernon, IL is 73 miles.
This is equivalent to 118 kilometers or 64 nautical miles.
Your trip begins in Saint Louis, Missouri. It ends in Mount Vernon, Illinois.
Your flight direction from Saint Louis, MO to Mount Vernon, IL is East (107 degrees from North).
The distance calculator helps you figure out how far it is to get from Saint Louis, MO to Mount Vernon, IL. 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.
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