Miles between Janesville, WI and Alton, IL

There are
310 mi
from Janesville, WI to Alton, IL

That's the driving distance. It would take 5 hours 48 mins to go from Janesville, Wisconsin to Alton, Illinois.

The flight distance (direct flight from Janesville, WI to Alton, IL) is 269.01 mi.

310 mi = 498.78 kms