There are
1,863 mi
from Fullerton, CA to Dubuque, IA
That's the driving distance. It would take 1 day 8 hours to go from Fullerton, California to Dubuque, Iowa.
The flight distance (direct flight from Fullerton, CA to Dubuque, IA) is 1,587.30 mi.
1,863 mi = 1.61 kms