There are
1,445 mi
from Rosemead, CA to Seagoville, TX
That's the driving distance. It would take 1 day to go from Rosemead, California to Seagoville, Texas.
The flight distance (direct flight from Rosemead, CA to Seagoville, TX) is 1,244.42 mi.
1,445 mi = 2,325.77 kms