Citgo of O'Fallon 2024-11-18 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Citgo Of O'Fallon Lake Saint Louis, MO 5.67 mi Saint Charles, MO 8.66 mi Saint Peters, MO 8.78 miInterstate highway exits close to Citgo Of O'Fallon Exit 216, i70 2.15 mi Exit 217, i70 2.57 mi Exit 219, i70 4.15 miInterstate highways close to Citgo Of O'Fallon i70 map 2.15 mi i64 map 12.28 mi i270mo map 24.79 miState roads close to Citgo Of O'Fallon US 40 MO map 4.91 mi MO 79 map 6.14 mi MO 94 map 8.67 mi