Major Cities along US 18 (IA) 2024-06-24 Roadnow US 18 (IA) Major Cities MAP McGregor MAP Marquette MAP Farmersburg MAP Monona MAP Luana MAP Postville MAP Clermont MAP West Union MAP Elgin MAP Hawkeye MAP Waucoma MAP Fredericksburg MAP Lawler MAP Sumner MAP New Hampton MAP Nashua MAP Ionia MAP Alta Vista MAP Charles City MAP Mason City MAP Clear Lake MAP Floyd MAP Colwell MAP Rudd MAP Nora Springs MAP Ventura MAP Garner MAP Britt MAP Woden MAP Wesley MAP Buffalo Center MAP Titonka MAP Lakota MAP Burt MAP Algona MAP Bancroft MAP Lone Rock MAP Whittemore MAP Armstrong MAP Cylinder MAP Ringsted MAP Emmetsburg MAP Graettinger MAP Ruthven MAP Dickens MAP Spencer MAP Everly MAP Melvin MAP Sanborn MAP Hartley MAP Sheldon MAP Ashton MAP Boyden MAP Hull MAP Rock Valley MAP Fairview MAP Inwood MAP Larchwood