O'Fallon 66 2024-12-27 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to O'Fallon 66 Lake Saint Louis, MO 5.67 mi Saint Charles, MO 8.66 mi Saint Peters, MO 8.78 miInterstate highway exits close to O'Fallon 66 Exit 216, i70 2.15 mi Exit 217, i70 2.57 mi Exit 219, i70 4.15 miInterstate highways close to O'Fallon 66 i70 map 2.15 mi i64 map 12.28 mi i270mo map 24.79 miState roads close to O'Fallon 66 US 40 MO map 4.91 mi MO 79 map 6.14 mi MO 94 map 8.67 mi