There are
1,791 mi
from Waterloo, IA to Tustin, CA
That's the driving distance. It would take 1 day 7 hours to go from Waterloo, Iowa to Tustin, California.
The flight distance (direct flight from Waterloo, IA to Tustin, CA) is 1,503.73 mi.
1,791 mi = 2,882.25 kms