There are
1,898 mi
from Pittsburg, CA to Waterloo, IA
That's the driving distance. It would take 1 day 8 hours to go from Pittsburg, California to Waterloo, Iowa.
The flight distance (direct flight from Pittsburg, CA to Waterloo, IA) is 1,579.50 mi.
1,898 mi = 3,055.24 kms