| Leiden to Cortona | 705.04 mi (1,134.65 km) |
| Leiden to Cosenza | 1,051.19 mi (1,691.72 km) |
| Leiden to Cossato | 485.08 mi (780.66 km) |
| Leiden to Costa Volpino | 505.52 mi (813.56 km) |
| Leiden to Creazzo | 556.88 mi (896.22 km) |
| Leiden to Crema | 525.27 mi (845.34 km) |
| Leiden to Cremona | 547.10 mi (880.48 km) |
| Leiden to Crevalcore | 597.49 mi (961.57 km) |
| Leiden to Crispiano | 1,000.35 mi (1,609.92 km) |
| Leiden to Crosia | 1,048.53 mi (1,687.45 km) |
| Leiden to Crotone | 1,086.81 mi (1,749.06 km) |
| Leiden to Cuneo | 555.31 mi (893.68 km) |
| Leiden to Cuorgne | 489.29 mi (787.43 km) |
| Leiden to Cusano Milanino | 503.83 mi (810.83 km) |
| Leiden to Cutro | 1,086.31 mi (1,748.24 km) |
