There are
2,829 mi
from Danbury, CT to South Pasadena, CA
That's the driving distance. It would take 2 days 2 hours to go from Danbury, Connecticut to South Pasadena, California.
The flight distance (direct flight from Danbury, CT to South Pasadena, CA) is 2,464.76 mi.
2,829 mi = 3.22 kms