Union Illinois Traffic 2024-11-16 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Union Illinois Marengo, IL 7.09 mi Huntley, IL 10.25 mi Woodstock, IL 12.03 miInterstate highway exits close to Union Illinois Exit 122, i39 36.28 mi Exit 119, i39 39.61 mi Exit 94, i88 40.08 miInterstate highways close to Union Illinois i90 map 9.51 mi i39 map 36.28 mi i88 map 40.08 miState roads close to Union Illinois MCHENRY COUNTY HIGHWAY T65 map 1.45 mi MCHENRY COUNTY HIGHWAY A42 map 2.05 mi MCHENRY COUNTY HIGHWAY A44 map 2.33 mi