Catonsville Maryland Traffic 2024-12-26 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Catonsville Maryland Baltimore, MD 3.20 mi Gwynn Oak, MD 5.51 mi Ellicott City, MD 5.85 miInterstate highway exits close to Catonsville Maryland Exit 15b a, i695md 0.88 mi Exit 14, i695md 1.09 mi Exit 13, i695md 1.48 miInterstate highways close to Catonsville Maryland i695md map 0.88 mi i70 map 3.12 mi i95 map 5.43 miState roads close to Catonsville Maryland US 40 MD map 0.82 mi MD 144 map 0.85 mi MD 166 map 1.25 mi