There are
2,005 mi
from Dubuque, IA to Fremont, CA
That's the driving distance. It would take 1 day 10 hours to go from Dubuque, Iowa to Fremont, California.
The flight distance (direct flight from Dubuque, IA to Fremont, CA) is 1,682.24 mi.
2,005 mi = 3,226.74 kms