There are
1,976 mi
from Dubuque, IA to Pittsburg, CA
That's the driving distance. It would take 1 day 10 hours to go from Dubuque, Iowa to Pittsburg, California.
The flight distance (direct flight from Dubuque, IA to Pittsburg, CA) is 1,665 mi.
1,976 mi = 3,179.75 kms