There are
2,260 mi
from San Mateo, CA to Westwego, LA
That's the driving distance. It would take 1 day 15 hours to go from San Mateo, California to Westwego, Louisiana.
The flight distance (direct flight from San Mateo, CA to Westwego, LA) is 1,912.96 mi.
2,260 mi = 3.22 kms