There are
1,887 mi
from Pasadena, TX to Manteca, CA
That's the driving distance. It would take 1 day 8 hours to go from Pasadena, Texas to Manteca, California.
The flight distance (direct flight from Pasadena, TX to Manteca, CA) is 1,589.19 mi.
1,887 mi = 1.61 kms