Maps MAPS Sac County is located in the heart of northwest Iowa along the Highway 20 corridor. Peruse the interactive map from Google, generate customized driving directions, or download county or city maps from the Iowa Department of Transportation. Interactive Map PRINT-FRIENDLY MAPS (PDF) Sac County Auburn Early Lake View Lytton Nemaha Odebolt Sac City Schaller Wall Lake Driving Distances Fort Dodge, Iowa: 40 miles Sioux City, Iowa: 60 miles Omaha, Nebraska: 95 miles Des Moines, Iowa: 120 miles Sioux Falls, South Dakota: 150 miles