There are
1,850 mi
from Olathe, KS to Half Moon Bay, CA
That's the driving distance. It would take 1 day 7 hours to go from Olathe, Kansas to Half Moon Bay, California.
The flight distance (direct flight from Olathe, KS to Half Moon Bay, CA) is 1,497.20 mi.
1,850 mi = 1.61 kms