There are
1,979 mi
from Dubuque, IA to Petaluma, CA
That's the driving distance. It would take 1 day 10 hours to go from Dubuque, Iowa to Petaluma, California.
The flight distance (direct flight from Dubuque, IA to Petaluma, CA) is 1,698.38 mi.
1,979 mi = 3,184.95 kms