There are
1,724 mi
from Boone, IA to San Clemente, CA
That's the driving distance. It would take 1 day 6 hours to go from Boone, Iowa to San Clemente, California.
The flight distance (direct flight from Boone, IA to San Clemente, CA) is 1,420.91 mi.
1,724 mi = 2,774.70 kms