In a straight line: 312 miles
Via Interstate 71: 350 miles
About 350 miles.
about 100 miles
According to Google Maps, there are 152 miles between Dayton, Ohio and Louisville Kentucky.
201
108 miles
203 miles following I-71 SOUTH.
It is 298.63 miles according to MapQuest.
It is 297 miles according to Google Maps.
It is 240 miles according to Google Maps.
It is 99.4 miles according to Google Maps.
It is 356.52 miles according to MapQuest.
It is 133 miles accordng to Google Maps.