There are
1,991 mi
from Dubuque, IA to Patterson, CA
That's the driving distance. It would take 1 day 10 hours to go from Dubuque, Iowa to Patterson, California.
The flight distance (direct flight from Dubuque, IA to Patterson, CA) is 1,640.45 mi.
1,991 mi = 3,203.91 kms