| Martinsicuro to Cortona | 101.03 mi (162.59 km) |
| Martinsicuro to Cosenza | 275.76 mi (443.79 km) |
| Martinsicuro to Cossato | 339.61 mi (546.56 km) |
| Martinsicuro to Costa Volpino | 277.49 mi (446.57 km) |
| Martinsicuro to Creazzo | 219.18 mi (352.73 km) |
| Martinsicuro to Crema | 271.09 mi (436.28 km) |
| Martinsicuro to Cremona | 247.76 mi (398.73 km) |
| Martinsicuro to Crevalcore | 187.28 mi (301.40 km) |
| Martinsicuro to Crispiano | 232.61 mi (374.35 km) |
| Martinsicuro to Crosia | 272.81 mi (439.04 km) |
| Martinsicuro to Crotone | 311.06 mi (500.60 km) |
| Martinsicuro to Cuneo | 334.72 mi (538.68 km) |
| Martinsicuro to Cuorgne | 355.60 mi (572.29 km) |
| Martinsicuro to Cusano Milanino | 298.06 mi (479.67 km) |
| Martinsicuro to Cutro | 310.38 mi (499.51 km) |
