There are
813 mi
from Pasadena, TX to Alpharetta, GA
That's the driving distance. It would take 15 hours 1 min to go from Pasadena, Texas to Alpharetta, Georgia.
The flight distance (direct flight from Pasadena, TX to Alpharetta, GA) is 707.86 mi.
813 mi = 1,308.94 kms