Saint Mary Missouri Traffic 2024-12-17 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Saint Mary Missouri Perryville, MO 15.72 mi Chester, IL 16.84 mi Sainte Genevieve, MO 17.13 miInterstate highway exits close to Saint Mary Missouri Exit 141, i55 2.16 mi Exit 143, i55 6.35 mi Exit 135, i55 6.89 miInterstate highways close to Saint Mary Missouri i55 map 2.16 mi i255il map 74.39 mi i64 map 78.30 miState roads close to Saint Mary Missouri US 61 MO map 2.85 mi MO 51 map 12.38 mi MO 32 map 15.07 mi