Miles between San Marcos, CA and Dubuque, IA

There are
1,903 mi
from San Marcos, CA to Dubuque, IA

That's the driving distance. It would take 1 day 9 hours to go from San Marcos, California to Dubuque, Iowa.

The flight distance (direct flight from San Marcos, CA to Dubuque, IA) is 1,575.69 mi.

1,903 mi = 3,062.38 kms