Miles between Danbury, CT and Alton, IL

There are
1,023 mi
from Danbury, CT to Alton, IL

That's the driving distance. It would take 19 hours 11 mins to go from Danbury, Connecticut to Alton, Illinois.

The flight distance (direct flight from Danbury, CT to Alton, IL) is 898.93 mi.

1,023 mi = 1.61 kms