<Table> <Tr> <Th_colspan="2"> <P> </P> Interstate 75 </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Route information </Th> </Tr> <Tr> <Td_colspan="2"> Maintained by Kentucky Transportation Cabinet </Td> </Tr> <Tr> <Th> Length: </Th> <Td> 191.78 mi (308.64 km) </Td> </Tr> <Tr> <Th> Existed: </Th> <Td> 1960s--present </Td> </Tr> <Tr> <Th_colspan="2"> Major junctions </Th> </Tr> <Tr> <Th> South end: </Th> <Td> I - 75 at Tennessee state line </Td> </Tr> <Tr> <Th> </Th> <Td> I - 64 in Lexington I - 71 in Walton I - 275 in Erlanger </Td> </Tr> <Tr> <Th> North end: </Th> <Td> I - 71 / I - 75 at Ohio state line </Td> </Tr> <Tr> <Th_colspan="2"> Location </Th> </Tr> <Tr> <Th> Counties: </Th> <Td> Whitley, Laurel, Rockcastle, Madison, Fayette, Scott, Grant, Kenton, Boone </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th_colspan="2"> Highway system </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Interstate Highway System </Li> </Ul> <Ul> <Li> Main </Li> <Li> Auxiliary </Li> <Li> Suffixed </Li> <Li> Business </Li> <Li> Future </Li> </Ul> <Ul> <Li> Highways in Kentucky </Li> </Ul> <Ul> <Li> Interstate </Li> <Li> US </Li> <Li> State </Li> <Li> Parkways </Li> </Ul> <Table> <Tr> <Td> ← KY 74 </Td> <Td> </Td> <Td> KY 76 → </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> <P> </P> Interstate 75 </Th> </Tr>

How many miles are in kentucky on i 75