There are
2,186 mi
from San Diego, CA to Nicholasville, KY
That's the driving distance. It would take 1 day 14 hours to go from San Diego, California to Nicholasville, Kentucky.
The flight distance (direct flight from San Diego, CA to Nicholasville, KY) is 1,861.96 mi.
2,186 mi = 3.22 kms