There are
2,987 mi
from Danbury, CT to San Luis Obispo, CA
That's the driving distance. It would take 2 days 5 hours to go from Danbury, Connecticut to San Luis Obispo, California.
The flight distance (direct flight from Danbury, CT to San Luis Obispo, CA) is 2,560.85 mi.
2,987 mi = 3.22 kms