There are
1,282 mi
from Olathe, KS to Danbury, CT
That's the driving distance. It would take 1 day to go from Olathe, Kansas to Danbury, Connecticut.
The flight distance (direct flight from Olathe, KS to Danbury, CT) is 1,138.83 mi.
1,282 mi = 1.61 kms