| Portchester to Chivasso | 569.99 mi (917.31 km) |
| Portchester to Ciampino | 902.23 mi (1,451.99 km) |
| Portchester to Cicciano | 1,012.05 mi (1,628.74 km) |
| Portchester to Cingoli | 846.88 mi (1,362.93 km) |
| Portchester to Cinisello Balsamo | 599.36 mi (964.58 km) |
| Portchester to Cinisi | 1,117.56 mi (1,798.53 km) |
| Portchester to Cirie | 558.19 mi (898.32 km) |
| Portchester to Ciro Marina | 1,185.83 mi (1,908.41 km) |
| Portchester to Cislago | 585.72 mi (942.63 km) |
| Portchester to Cisterna di Latina | 920.86 mi (1,481.98 km) |
| Portchester to Cisternino | 1,129.00 mi (1,816.94 km) |
| Portchester to Citta di Castello | 806.84 mi (1,298.48 km) |
| Portchester to Citta Sant'Angelo | 917.83 mi (1,477.11 km) |
| Portchester to Cittadella | 692.24 mi (1,114.05 km) |
| Portchester to Cittanova | 1,203.14 mi (1,936.27 km) |
