| Martinsburg to Clarksdale (Mississippi) | 784.66 mi (1,262.78 km) |
| Martinsburg to Clarkston (Georgia) | 521.99 mi (840.06 km) |
| Martinsburg to Clarksville (Indiana) | 426.07 mi (685.69 km) |
| Martinsburg to Clarksville (Tennessee) | 547.07 mi (880.43 km) |
| Martinsburg to Clawson (Michigan) | 343.41 mi (552.66 km) |
| Martinsburg to Clay (Alabama) | 622.30 mi (1,001.49 km) |
| Martinsburg to Clayton (California) | 2,348.71 mi (3,779.88 km) |
| Martinsburg to Clayton (Missouri) | 664.66 mi (1,069.67 km) |
| Martinsburg to Clayton (North Carolina) | 263.77 mi (424.50 km) |
| Martinsburg to Clayton (Ohio) | 338.95 mi (545.49 km) |
| Martinsburg to Clearfield (Utah) | 1,786.77 mi (2,875.52 km) |
| Martinsburg to Clearlake (California) | 2,365.94 mi (3,807.61 km) |
| Martinsburg to Clearwater (Florida) | 839.09 mi (1,350.38 km) |
| Martinsburg to Cleburne (Texas) | 1,190.04 mi (1,915.18 km) |
| Martinsburg to Clemmons (North Carolina) | 270.82 mi (435.84 km) |
