There are
1,516 mi
from Pasadena, TX to Temecula, CA
That's the driving distance. It would take 1 day 1 hour to go from Pasadena, Texas to Temecula, California.
The flight distance (direct flight from Pasadena, TX to Temecula, CA) is 1,315 mi.
1,516 mi = 1.61 kms