Williamson Iowa Traffic 2024-12-17 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Williamson Iowa Chariton, IA 7.47 mi Columbia, IA 13.11 mi Lacona, IA 14.03 miInterstate highway exits close to Williamson Iowa Exit 36, i35 43.91 mi Exit 43, i35 45.14 mi Exit 33, i35 45.53 miInterstate highways close to Williamson Iowa i35 map 43.91 mi i80 map 66.50 mi i29 map 189.80 miState roads close to Williamson Iowa US 34 IA map 9.61 mi US 65 IA map 18.16 mi IA COUNTY S50 map 21.53 mi