There are
1,783 mi
from Waterloo, IA to Placentia, CA
That's the driving distance. It would take 1 day 7 hours to go from Waterloo, Iowa to Placentia, California.
The flight distance (direct flight from Waterloo, IA to Placentia, CA) is 1,501.39 mi.
1,783 mi = 2,870.10 kms