There are
1,881 mi
from Waterloo, IA to Lathrop, CA
That's the driving distance. It would take 1 day 8 hours to go from Waterloo, Iowa to Lathrop, California.
The flight distance (direct flight from Waterloo, IA to Lathrop, CA) is 1,553.59 mi.
1,881 mi = 3,027.54 kms