There are
1,726 mi
from Rosenberg, TX to Danbury, CT
That's the driving distance. It would take 1 day 8 hours to go from Rosenberg, Texas to Danbury, Connecticut.
The flight distance (direct flight from Rosenberg, TX to Danbury, CT) is 1,493.32 mi.
1,726 mi = 2,777.13 kms