The distance from Mount Prospect, Illinois to St. Louis, Missouri

The exact distance between Mount Prospect, Illinois and St. Louis, Missouri is 265 miles (427 kilometers) by a straight line.

The distance from Mount Prospect, Illinois 
to St. Louis, Missouri
The distance from Mount Prospect, Illinois to St. Louis, Missouri by highways is about 310 miles and it is subject to a slight change depending on the chosen route. Travel time from Mount Prospect, Illinois to St. Louis, Missouri by car is about 5.2 hours and it also may vary depending on traffic. Upon planning a journey from Mount Prospect to St. Louis please bear in mind that travel times may vary or increase in case of traffic jams or bad weather. Please consider a public transport system when moving between Mount Prospect, Illinois and St. Louis, Missouri.



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