| Leiden to Collegno | 509.08 mi (819.29 km) |
| Leiden to Cologno al Serio | 512.07 mi (824.10 km) |
| Leiden to Cologno Monzese | 507.01 mi (815.96 km) |
| Leiden to Colorno | 566.99 mi (912.48 km) |
| Leiden to Comacchio | 623.80 mi (1,003.91 km) |
| Leiden to Comiso | 1,160.24 mi (1,867.22 km) |
| Leiden to Como | 485.46 mi (781.28 km) |
| Leiden to Concordia Sagittaria | 581.43 mi (935.72 km) |
| Leiden to Concorezzo | 504.28 mi (811.56 km) |
| Leiden to Conegliano | 558.81 mi (899.31 km) |
| Leiden to Conselice | 625.89 mi (1,007.28 km) |
| Leiden to Conselve | 584.34 mi (940.41 km) |
| Leiden to Conversano | 975.79 mi (1,570.38 km) |
| Leiden to Copertino | 1,043.12 mi (1,678.74 km) |
| Leiden to Copparo | 603.07 mi (970.55 km) |
