| Martinsburg to Cividale del Friuli | 4,393.87 mi (7,071.26 km) |
| Martinsburg to Civita Castellana | 4,485.84 mi (7,219.26 km) |
| Martinsburg to Civitanova Marche | 4,506.54 mi (7,252.58 km) |
| Martinsburg to Civitavecchia | 4,466.25 mi (7,187.74 km) |
| Martinsburg to Civitella in Val di Chiana | 4,415.76 mi (7,106.48 km) |
| Martinsburg to Clusone | 4,255.86 mi (6,849.15 km) |
| Martinsburg to Coccaglio | 4,267.70 mi (6,868.21 km) |
| Martinsburg to Codigoro | 4,383.14 mi (7,053.98 km) |
| Martinsburg to Codogno | 4,269.55 mi (6,871.17 km) |
| Martinsburg to Codroipo | 4,379.89 mi (7,048.75 km) |
| Martinsburg to Cogoleto | 4,249.70 mi (6,839.23 km) |
| Martinsburg to Colle di Val d'Elsa | 4,391.13 mi (7,066.85 km) |
| Martinsburg to Colle Salvetti | 4,356.03 mi (7,010.35 km) |
| Martinsburg to Collecchio | 4,305.19 mi (6,928.54 km) |
| Martinsburg to Colleferro | 4,532.79 mi (7,294.83 km) |
