| Martinsburg to Oakley (California) | 2,335.41 mi (3,758.48 km) |
| Martinsburg to Oakton (Virginia) | 53.47 mi (86.06 km) |
| Martinsburg to Oakville (Missouri) | 666.30 mi (1,072.31 km) |
| Martinsburg to Oatfield (Oregon) | 2,281.95 mi (3,672.45 km) |
| Martinsburg to Ocala (Florida) | 748.91 mi (1,205.25 km) |
| Martinsburg to Ocean Acres (New Jersey) | 197.79 mi (318.31 km) |
| Martinsburg to Ocean City (New Jersey) | 180.79 mi (290.95 km) |
| Martinsburg to Ocean Pines (Maryland) | 169.17 mi (272.25 km) |
| Martinsburg to Ocean Pointe (Hawaii) | 4,780.57 mi (7,693.59 km) |
| Martinsburg to Ocean Springs (Mississippi) | 873.81 mi (1,406.26 km) |
| Martinsburg to Oceanside (California) | 2,212.86 mi (3,561.25 km) |
| Martinsburg to Oceanside (New York) | 243.51 mi (391.89 km) |
| Martinsburg to Ocoee (Florida) | 778.54 mi (1,252.94 km) |
| Martinsburg to Oconomowoc (Wisconsin) | 600.69 mi (966.71 km) |
| Martinsburg to Odenton (Maryland) | 73.83 mi (118.81 km) |
