There are
1,006 mi
from Danbury, CT to Oshkosh, WI
That's the driving distance. It would take 18 hours 52 mins to go from Danbury, Connecticut to Oshkosh, Wisconsin.
The flight distance (direct flight from Danbury, CT to Oshkosh, WI) is 786.07 mi.
1,006 mi = 1.61 kms