| Martinsburg to Kennewick (Washington) | 2,113.78 mi (3,401.80 km) |
| Martinsburg to Kenosha (Wisconsin) | 559.04 mi (899.68 km) |
| Martinsburg to Kent (Ohio) | 213.12 mi (342.98 km) |
| Martinsburg to Kent (Washington) | 2,254.03 mi (3,627.52 km) |
| Martinsburg to Kentwood (Michigan) | 461.16 mi (742.16 km) |
| Martinsburg to Kerman (California) | 2,275.53 mi (3,662.12 km) |
| Martinsburg to Kernersville (North Carolina) | 258.56 mi (416.11 km) |
| Martinsburg to Kerrville (Texas) | 1,361.05 mi (2,190.39 km) |
| Martinsburg to Kettering (Maryland) | 74.84 mi (120.45 km) |
| Martinsburg to Kettering (Ohio) | 329.02 mi (529.51 km) |
| Martinsburg to Kewanee (Illinois) | 640.57 mi (1,030.90 km) |
| Martinsburg to Key Biscayne (Florida) | 959.63 mi (1,544.38 km) |
| Martinsburg to Key Largo (Florida) | 1,000.54 mi (1,610.22 km) |
| Martinsburg to Key West (Florida) | 1,052.59 mi (1,693.98 km) |
| Martinsburg to Keystone (Florida) | 826.07 mi (1,329.42 km) |
