| Martinsburg to Orangevale (California) | 2,297.56 mi (3,697.56 km) |
| Martinsburg to Orchards (Washington) | 2,277.06 mi (3,664.57 km) |
| Martinsburg to Orcutt (California) | 2,336.80 mi (3,760.71 km) |
| Martinsburg to Oregon (Ohio) | 323.91 mi (521.28 km) |
| Martinsburg to Oregon (Wisconsin) | 639.19 mi (1,028.68 km) |
| Martinsburg to Oregon City (Oregon) | 2,282.37 mi (3,673.12 km) |
| Martinsburg to Orem (Utah) | 1,778.12 mi (2,861.60 km) |
| Martinsburg to Orinda (California) | 2,362.89 mi (3,802.70 km) |
| Martinsburg to Orland Park (Illinois) | 539.53 mi (868.28 km) |
| Martinsburg to Orlando (Florida) | 782.57 mi (1,259.43 km) |
| Martinsburg to Ormond Beach (Florida) | 724.08 mi (1,165.29 km) |
| Martinsburg to Oro Valley (Arizona) | 1,897.36 mi (3,053.51 km) |
| Martinsburg to Oroville (California) | 2,301.05 mi (3,703.19 km) |
| Martinsburg to Oshkosh (Wisconsin) | 629.54 mi (1,013.14 km) |
| Martinsburg to Oskaloosa (Iowa) | 781.15 mi (1,257.15 km) |
