There are
1,992 mi
from Dubuque, IA to San Leandro, CA
That's the driving distance. It would take 1 day 10 hours to go from Dubuque, Iowa to San Leandro, California.
The flight distance (direct flight from Dubuque, IA to San Leandro, CA) is 1,686.28 mi.
1,992 mi = 3,205.47 kms