The distance from Ontario, California to St. Louis, Missouri

The exact distance between Ontario, California and St. Louis, Missouri is 1555 miles (2502 kilometers) by a straight line.

The distance from Ontario, California 
to St. Louis, Missouri
The distance from Ontario, California to St. Louis, Missouri by highways is about 1944 miles and it is subject to a slight change depending on the chosen route. Travel time from Ontario, California to St. Louis, Missouri by car is about 32.4 hours and it also may vary depending on traffic. Upon planning a journey from Ontario to St. Louis always remember that travel times may differ from the above in case of traffic jams or bad weather. Please consider a public transport system when moving between Ontario, California and St. Louis, Missouri.



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