O Fallon Illinois Traffic 2024-12-23 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to O Fallon Illinois Belleville, IL 6.85 mi Scott Air Force Base, IL 7.37 mi Fairview Heights, IL 7.88 miInterstate highway exits close to O Fallon Illinois Exit 16, i64 2.15 mi Exit 14, i64 2.82 mi Exit 19b a, i64 3.66 miInterstate highways close to O Fallon Illinois i64 map 1.90 mi i255il map 12.95 mi i70 map 13.29 miState roads close to O Fallon Illinois US 50 IL map 3.38 mi IL 158 map 3.62 mi IL 159 map 6.33 mi