Live Chat I-70 Community Nearby Traffic Saint Johns Mercy Medical Center (Health hospital) 2024-06-07 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Saint Johns Mercy Medical Center (Health Hospital) Chesterfield, MO 0.00 Ballwin, MO 0.00 Florissant, MO 0.00 Interstate highway exits close to Saint Johns Mercy Medical Center (Health Hospital) Exit 27, i64 1.05 Exit 26, i64 1.27 Exit 28b a, i64 1.87 Interstate highways close to Saint Johns Mercy Medical Center (Health Hospital) i64 map 1.05 i270mo map 1.97 i44 map 8.16 State roads close to Saint Johns Mercy Medical Center (Health Hospital) US 40 MO map 0.52 US 61 MO map 1.40 US 67 MO map 1.87