There are 331.01 miles from Saint Louis to Dayton in northeast direction and 354.36 miles (570.29 kilometers) by car, following the I-70 route.
Saint Louis and Dayton are 5 hours 3 mins far apart, if you drive non-stop.
This is the fastest route from Saint Louis, MO to Dayton, OH. The halfway point is .
Please note the time difference between Saint Louis, MO and Dayton, OH is 1 hour. The current time in Saint Louis is 4:09 am and the current time in Dayton is 5:09 am.
Any questions or tips to share?
Share with fellow travellers any question or tips about the route from Saint Louis, MO to Dayton, OH: