There are
2,854 mi
from San Clemente, CA to Danbury, CT
That's the driving distance. It would take 2 days 2 hours to go from San Clemente, California to Danbury, Connecticut.
The flight distance (direct flight from San Clemente, CA to Danbury, CT) is 2,457.49 mi.
2,854 mi = 4,592.80 kms