There are
1,537 mi
from Santee, CA to Beaumont, TX
That's the driving distance. It would take 1 day 2 hours to go from Santee, California to Beaumont, Texas.
The flight distance (direct flight from Santee, CA to Beaumont, TX) is 1,357.28 mi.
1,537 mi = 2,473.15 kms