Ballwin Missouri Traffic 2024-12-30 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Ballwin Missouri Chesterfield, MO 5.20 mi Grover, MO 6.46 mi Valley Park, MO 7.51 miInterstate highway exits close to Ballwin Missouri Exit 21, i64 5.41 mi Exit 20, i64 5.50 mi Exit 19b a, i64 5.76 miInterstate highways close to Ballwin Missouri i64 map 5.41 mi i44 map 8.50 mi i270mo map 8.84 miState roads close to Ballwin Missouri MO 100 map 0.95 mi MO 340 map 2.92 mi MO 141 map 3.65 mi