| Martinsburg to Southern Pines (North Carolina) | 304.95 mi (490.76 km) |
| Martinsburg to Southfield (Michigan) | 345.51 mi (556.04 km) |
| Martinsburg to Southgate (Michigan) | 332.63 mi (535.32 km) |
| Martinsburg to Southlake (Texas) | 1,156.51 mi (1,861.23 km) |
| Martinsburg to Spanaway (Washington) | 2,264.86 mi (3,644.94 km) |
| Martinsburg to Spanish Fork (Utah) | 1,777.16 mi (2,860.07 km) |
| Martinsburg to Spanish Lake (Missouri) | 656.68 mi (1,056.83 km) |
| Martinsburg to Spanish Springs (Nevada) | 2,200.50 mi (3,541.37 km) |
| Martinsburg to Sparks (Nevada) | 2,204.25 mi (3,547.40 km) |
| Martinsburg to Spartanburg (South Carolina) | 380.00 mi (611.54 km) |
| Martinsburg to Spearfish (South Dakota) | 1,365.67 mi (2,197.84 km) |
| Martinsburg to Speedway (Indiana) | 440.59 mi (709.06 km) |
| Martinsburg to Spencer (Iowa) | 925.33 mi (1,489.18 km) |
| Martinsburg to Spokane (Washington) | 2,030.91 mi (3,268.44 km) |
| Martinsburg to Spokane Valley (Washington) | 2,021.68 mi (3,253.58 km) |
