| Port Royal to Chivasso | 4,613.75 mi (7,425.11 km) |
| Port Royal to Ciampino | 4,927.12 mi (7,929.44 km) |
| Port Royal to Cicciano | 5,042.62 mi (8,115.32 km) |
| Port Royal to Cingoli | 4,905.88 mi (7,895.25 km) |
| Port Royal to Cinisello Balsamo | 4,663.00 mi (7,504.37 km) |
| Port Royal to Cinisi | 5,067.43 mi (8,155.23 km) |
| Port Royal to Cirie | 4,599.71 mi (7,402.51 km) |
| Port Royal to Ciro Marina | 5,216.07 mi (8,394.46 km) |
| Port Royal to Cislago | 4,649.15 mi (7,482.09 km) |
| Port Royal to Cisterna di Latina | 4,944.20 mi (7,956.93 km) |
| Port Royal to Cisternino | 5,182.77 mi (8,340.87 km) |
| Port Royal to Citta di Castello | 4,859.33 mi (7,820.34 km) |
| Port Royal to Citta Sant'Angelo | 4,970.28 mi (7,998.90 km) |
| Port Royal to Cittadella | 4,772.91 mi (7,681.25 km) |
| Port Royal to Cittanova | 5,202.66 mi (8,372.87 km) |
