There are
2,280 mi
from San Clemente, CA to Romulus, MI
That's the driving distance. It would take 1 day 16 hours to go from San Clemente, California to Romulus, Michigan.
The flight distance (direct flight from San Clemente, CA to Romulus, MI) is 1,948.67 mi.
2,280 mi = 3,670.04 kms