Live Chat I-81 Community Nearby Traffic I 81 exit 20 2024-04-23 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I-81 Exit 20 Hagerstown, MD 0.00 Martinsburg, WV 7.27 Falling Waters, WV 7.41 Interstate highway exits close to I-81 Exit 20 Exit 20, i81 2.83 Exit 14, i81 4.59 Exit 16, i81 4.62 Interstate highways close to I-81 Exit 20 i81 map 2.83 i70 map 14.59 i68 map 31.73 State roads close to I-81 Exit 20 WV BERKELEY 5 map 0.50 US 11 WV map 0.65 WV BERKELEY 8 map 1.32