The distance from Mason, Ohio to St. Louis, Missouri

The exact distance between Mason, Ohio and St. Louis, Missouri is 320 miles (515 kilometers) by a straight line.

The distance from Mason, Ohio 
to St. Louis, Missouri
The distance from Mason, Ohio to St. Louis, Missouri by highways is about 378 miles and it is subject to a slight change depending on the chosen route. Travel time from Mason, Ohio to St. Louis, Missouri by car is about 6.3 hours and it also may vary depending on traffic. Upon planning a journey from Mason to St. Louis please do not forget that travel times may become much longer in case of traffic jams or bad weather. Please consider a public transport system when moving between Mason, Ohio and St. Louis, Missouri.



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Where next? Distances to other cities from St. Louis, Missouri: