| Osny to Ciampino | 714.72 mi (1,150.24 km) |
| Osny to Cicciano | 824.91 mi (1,327.57 km) |
| Osny to Cingoli | 661.54 mi (1,064.64 km) |
| Osny to Cinisello Balsamo | 413.40 mi (665.31 km) |
| Osny to Cinisi | 931.34 mi (1,498.85 km) |
| Osny to Cirie | 370.65 mi (596.51 km) |
| Osny to Ciro Marina | 999.08 mi (1,607.87 km) |
| Osny to Cislago | 399.65 mi (643.17 km) |
| Osny to Cisterna di Latina | 733.35 mi (1,180.21 km) |
| Osny to Cisternino | 944.06 mi (1,519.32 km) |
| Osny to Citta di Castello | 620.52 mi (998.63 km) |
| Osny to Citta Sant'Angelo | 731.97 mi (1,177.99 km) |
| Osny to Cittadella | 511.83 mi (823.72 km) |
| Osny to Cittanova | 1,015.59 mi (1,634.43 km) |
| Osny to Cividale del Friuli | 567.35 mi (913.06 km) |
