There are
1,666 mi
from Sioux City, IA to National City, CA
That's the driving distance. It would take 1 day 5 hours to go from Sioux City, Iowa to National City, California.
The flight distance (direct flight from Sioux City, IA to National City, CA) is 1,315.60 mi.
1,666 mi = 1.61 kms