There are
1,918 mi
from Pasadena, TX to San Leandro, CA
That's the driving distance. It would take 1 day 9 hours to go from Pasadena, Texas to San Leandro, California.
The flight distance (direct flight from Pasadena, TX to San Leandro, CA) is 1,638.29 mi.
1,918 mi = 1.61 kms