There are
1,687 mi
from Pasadena, TX to Danbury, CT
That's the driving distance. It would take 1 day 7 hours to go from Pasadena, Texas to Danbury, Connecticut.
The flight distance (direct flight from Pasadena, TX to Danbury, CT) is 1,459.61 mi.
1,687 mi = 1.61 kms