| Sem to Cortona | 1,107.98 mi (1,783.12 km) |
| Sem to Cosenza | 1,404.67 mi (2,260.60 km) |
| Sem to Cossato | 951.68 mi (1,531.58 km) |
| Sem to Costa Volpino | 929.26 mi (1,495.49 km) |
| Sem to Creazzo | 950.96 mi (1,530.42 km) |
| Sem to Crema | 961.63 mi (1,547.60 km) |
| Sem to Cremona | 977.46 mi (1,573.08 km) |
| Sem to Crevalcore | 1,006.76 mi (1,620.22 km) |
| Sem to Crispiano | 1,324.95 mi (2,132.30 km) |
| Sem to Crosia | 1,390.86 mi (2,238.38 km) |
| Sem to Crotone | 1,426.94 mi (2,296.44 km) |
| Sem to Cuneo | 1,035.79 mi (1,666.95 km) |
| Sem to Cuorgne | 966.11 mi (1,554.81 km) |
| Sem to Cusano Milanino | 949.79 mi (1,528.53 km) |
| Sem to Cutro | 1,429.16 mi (2,300.01 km) |
