There are
1,747 mi
from Rocklin, CA to Duncanville, TX
That's the driving distance. It would take 1 day 6 hours to go from Rocklin, California to Duncanville, Texas.
The flight distance (direct flight from Rocklin, CA to Duncanville, TX) is 1,424.08 mi.
1,747 mi = 2,811.47 kms