There are
1,832 mi
from Waterloo, IA to Oroville, CA
That's the driving distance. It would take 1 day 7 hours to go from Waterloo, Iowa to Oroville, California.
The flight distance (direct flight from Waterloo, IA to Oroville, CA) is 1,529.40 mi.
1,832 mi = 2,948.52 kms