| Martinsburg to Jeffersontown (Kentucky) | 417.59 mi (672.04 km) |
| Martinsburg to Jeffersonville (Indiana) | 422.41 mi (679.80 km) |
| Martinsburg to Jenison (Michigan) | 472.32 mi (760.12 km) |
| Martinsburg to Jenks (Oklahoma) | 1,010.19 mi (1,625.75 km) |
| Martinsburg to Jennings (Missouri) | 660.34 mi (1,062.71 km) |
| Martinsburg to Jensen Beach (Florida) | 853.91 mi (1,374.24 km) |
| Martinsburg to Jericho (New York) | 251.68 mi (405.05 km) |
| Martinsburg to Jerome (Idaho) | 1,901.07 mi (3,059.48 km) |
| Martinsburg to Jersey City (New Jersey) | 224.20 mi (360.81 km) |
| Martinsburg to Jessup (Maryland) | 67.64 mi (108.86 km) |
| Martinsburg to Johns Creek (Georgia) | 508.92 mi (819.02 km) |
| Martinsburg to Johnson City (New York) | 212.15 mi (341.42 km) |
| Martinsburg to Johnson City (Tennessee) | 322.45 mi (518.94 km) |
| Martinsburg to Johnston (Iowa) | 839.37 mi (1,350.84 km) |
| Martinsburg to Johnstown (Colorado) | 1,425.31 mi (2,293.81 km) |
