There are
1,509 mi
from San Clemente, CA to Junction City, KS
That's the driving distance. It would take 1 day 2 hours to go from San Clemente, California to Junction City, Kansas.
The flight distance (direct flight from San Clemente, CA to Junction City, KS) is 1,217.91 mi.
1,509 mi = 2,428.70 kms