Miles between Sioux City, IA and Gaithersburg, MD

There are
1,192 mi
from Sioux City, IA to Gaithersburg, MD

That's the driving distance. It would take 22 hours to go from Sioux City, Iowa to Gaithersburg, Maryland.

The flight distance (direct flight from Sioux City, IA to Gaithersburg, MD) is 1,027.86 mi.

1,192 mi = 1.61 kms