There are
814 mi
from Olathe, KS to Alpharetta, GA
That's the driving distance. It would take 15 hours 27 mins to go from Olathe, Kansas to Alpharetta, Georgia.
The flight distance (direct flight from Olathe, KS to Alpharetta, GA) is 671.80 mi.
814 mi = 1,310.52 kms