| Martinsicuro to Cividale del Friuli | 223.52 mi (359.73 km) |
| Martinsicuro to Civita Castellana | 86.72 mi (139.56 km) |
| Martinsicuro to Civitanova Marche | 30.24 mi (48.67 km) |
| Martinsicuro to Civitavecchia | 120.65 mi (194.17 km) |
| Martinsicuro to Civitella in Val di Chiana | 116.86 mi (188.06 km) |
| Martinsicuro to Clusone | 285.11 mi (458.85 km) |
| Martinsicuro to Coccaglio | 268.85 mi (432.68 km) |
| Martinsicuro to Codigoro | 161.84 mi (260.45 km) |
| Martinsicuro to Codogno | 261.72 mi (421.20 km) |
| Martinsicuro to Codroipo | 217.72 mi (350.38 km) |
| Martinsicuro to Cogoleto | 283.29 mi (455.91 km) |
| Martinsicuro to Colle di Val d'Elsa | 144.79 mi (233.01 km) |
| Martinsicuro to Colle Salvetti | 179.75 mi (289.28 km) |
| Martinsicuro to Collecchio | 225.04 mi (362.17 km) |
| Martinsicuro to Colleferro | 91.80 mi (147.74 km) |
