| Leiden to Chivasso | 505.69 mi (813.84 km) |
| Leiden to Ciampino | 810.33 mi (1,304.09 km) |
| Leiden to Cicciano | 906.80 mi (1,459.36 km) |
| Leiden to Cingoli | 729.20 mi (1,173.53 km) |
| Leiden to Cinisello Balsamo | 504.47 mi (811.86 km) |
| Leiden to Cinisi | 1,052.15 mi (1,693.27 km) |
| Leiden to Cirie | 498.91 mi (802.92 km) |
| Leiden to Ciro Marina | 1,069.98 mi (1,721.96 km) |
| Leiden to Cislago | 493.38 mi (794.01 km) |
| Leiden to Cisterna di Latina | 828.43 mi (1,333.22 km) |
| Leiden to Cisternino | 998.36 mi (1,606.71 km) |
| Leiden to Citta di Castello | 699.61 mi (1,125.92 km) |
| Leiden to Citta Sant'Angelo | 801.19 mi (1,289.39 km) |
| Leiden to Cittadella | 558.00 mi (898.01 km) |
| Leiden to Cittanova | 1,105.26 mi (1,778.75 km) |
