There are
1,933 mi
from Pasadena, TX to Half Moon Bay, CA
That's the driving distance. It would take 1 day 9 hours to go from Pasadena, Texas to Half Moon Bay, California.
The flight distance (direct flight from Pasadena, TX to Half Moon Bay, CA) is 1,649.39 mi.
1,933 mi = 1.61 kms