Live Chat I-270 MD Community Nearby Traffic Clarksburg Post Office (Amenity postoffice) 2024-06-18 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Clarksburg Post Office (Amenity Postoffice) Damascus, MD 5.99 Boyds, MD 8.00 Barnesville, MD 8.72 Interstate highway exits close to Clarksburg Post Office (Amenity Postoffice) Exit 22, i270md 3.24 Exit 18, i270md 3.45 Exit 16, i270md 7.62 Interstate highways close to Clarksburg Post Office (Amenity Postoffice) i270md map 1.64 i70 map 13.52 i495md map 30.35 State roads close to Clarksburg Post Office (Amenity Postoffice) MD 109 map 2.88 MD 121 map 3.37 MD 75 map 3.54