| Martin to Cividale del Friuli | 327.58 mi (527.18 km) |
| Martin to Civita Castellana | 563.04 mi (906.12 km) |
| Martin to Civitanova Marche | 469.07 mi (754.89 km) |
| Martin to Civitavecchia | 591.20 mi (951.44 km) |
| Martin to Civitella in Val di Chiana | 519.96 mi (836.80 km) |
| Martin to Clusone | 472.75 mi (760.81 km) |
| Martin to Coccaglio | 483.34 mi (777.86 km) |
| Martin to Codigoro | 433.87 mi (698.24 km) |
| Martin to Codogno | 509.99 mi (820.75 km) |
| Martin to Codroipo | 350.34 mi (563.81 km) |
| Martin to Cogoleto | 583.36 mi (938.82 km) |
| Martin to Colle di Val d'Elsa | 539.61 mi (868.42 km) |
| Martin to Colle Salvetti | 551.33 mi (887.28 km) |
| Martin to Collecchio | 507.16 mi (816.19 km) |
| Martin to Colleferro | 581.55 mi (935.91 km) |
