There are
1,618 mi
from Simi Valley, CA to Seabrook, TX
That's the driving distance. It would take 1 day 3 hours to go from Simi Valley, California to Seabrook, Texas.
The flight distance (direct flight from Simi Valley, CA to Seabrook, TX) is 1,427.05 mi.
1,618 mi = 1.61 kms