Live Chat I-90 Community Nearby Traffic South Side Post Office (Amenity postoffice) 2024-06-05 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to South Side Post Office (Amenity Postoffice) Sun Prairie, WI 0.00 Middleton, WI 8.04 McFarland, WI 12.47 Interstate highway exits close to South Side Post Office (Amenity Postoffice) Exit 138a, i90 11.79 Exit 138b, i90 11.79 Exit 138a, i94 11.93 Interstate highways close to South Side Post Office (Amenity Postoffice) i90 map 11.79 i94 map 11.93 i39 map 46.93 State roads close to South Side Post Office (Amenity Postoffice) US 151 WI map 2.00 US 18 WI map 3.80 US 14 WI map 4.34