| Leidschendam to Collegno | 505.18 mi (813.01 km) |
| Leidschendam to Cologno al Serio | 509.38 mi (819.77 km) |
| Leidschendam to Cologno Monzese | 504.09 mi (811.25 km) |
| Leidschendam to Colorno | 564.41 mi (908.33 km) |
| Leidschendam to Comacchio | 621.93 mi (1,000.91 km) |
| Leidschendam to Comiso | 1,157.47 mi (1,862.78 km) |
| Leidschendam to Como | 482.53 mi (776.56 km) |
| Leidschendam to Concordia Sagittaria | 580.29 mi (933.89 km) |
| Leidschendam to Concorezzo | 501.40 mi (806.93 km) |
| Leidschendam to Conegliano | 557.49 mi (897.19 km) |
| Leidschendam to Conselice | 623.82 mi (1,003.94 km) |
| Leidschendam to Conselve | 582.55 mi (937.52 km) |
| Leidschendam to Conversano | 974.50 mi (1,568.30 km) |
| Leidschendam to Copertino | 1,041.92 mi (1,676.80 km) |
| Leidschendam to Copparo | 601.13 mi (967.43 km) |
