There are
1,695 mi
from Sioux City, IA to Larkspur, CA
That's the driving distance. It would take 1 day 5 hours to go from Sioux City, Iowa to Larkspur, California.
The flight distance (direct flight from Sioux City, IA to Larkspur, CA) is 1,408.46 mi.
1,695 mi = 2,727.17 kms