There are
1,702 mi
from Half Moon Bay, CA to Grapevine, TX
That's the driving distance. It would take 1 day 6 hours to go from Half Moon Bay, California to Grapevine, Texas.
The flight distance (direct flight from Half Moon Bay, CA to Grapevine, TX) is 1,460.37 mi.
1,702 mi = 2,739.29 kms