There are
1,700 mi
from San Mateo, CA to Lewisville, TX
That's the driving distance. It would take 1 day 6 hours to go from San Mateo, California to Lewisville, Texas.
The flight distance (direct flight from San Mateo, CA to Lewisville, TX) is 1,457.31 mi.
1,700 mi = 1.61 kms