| Ploermel to Ciampino | 845.76 mi (1,361.11 km) |
| Ploermel to Cicciano | 960.80 mi (1,546.25 km) |
| Ploermel to Cingoli | 815.59 mi (1,312.57 km) |
| Ploermel to Cinisello Balsamo | 573.38 mi (922.76 km) |
| Ploermel to Cinisi | 1,029.75 mi (1,657.22 km) |
| Ploermel to Cirie | 509.54 mi (820.03 km) |
| Ploermel to Ciro Marina | 1,136.57 mi (1,829.14 km) |
| Ploermel to Cislago | 559.63 mi (900.64 km) |
| Ploermel to Cisterna di Latina | 863.73 mi (1,390.04 km) |
| Ploermel to Cisternino | 1,094.69 mi (1,761.73 km) |
| Ploermel to Citta di Castello | 769.57 mi (1,238.50 km) |
| Ploermel to Citta Sant'Angelo | 881.19 mi (1,418.13 km) |
| Ploermel to Cittadella | 688.03 mi (1,107.28 km) |
| Ploermel to Cittanova | 1,138.20 mi (1,831.75 km) |
| Ploermel to Cividale del Friuli | 755.02 mi (1,215.08 km) |
