There are
2,922 mi
from Manteca, CA to Danbury, CT
That's the driving distance. It would take 2 days 3 hours to go from Manteca, California to Danbury, Connecticut.
The flight distance (direct flight from Manteca, CA to Danbury, CT) is 2,522.78 mi.
2,922 mi = 4,701.72 kms