There are
1,539 mi
from Longview, TX to San Dimas, CA
That's the driving distance. It would take 1 day 2 hours to go from Longview, Texas to San Dimas, California.
The flight distance (direct flight from Longview, TX to San Dimas, CA) is 1,333.79 mi.
1,539 mi = 1.61 kms