There are
2,791 mi
from San Bernardino, CA to Danbury, CT
That's the driving distance. It would take 2 days 1 hour to go from San Bernardino, California to Danbury, Connecticut.
The flight distance (direct flight from San Bernardino, CA to Danbury, CT) is 2,420.47 mi.
2,791 mi = 3.22 kms