There are
1,997 mi
from Pasadena, TX to Grass Valley, CA
That's the driving distance. It would take 1 day 10 hours to go from Pasadena, Texas to Grass Valley, California.
The flight distance (direct flight from Pasadena, TX to Grass Valley, CA) is 1,605.81 mi.
1,997 mi = 1.61 kms