| Leidschendam to Cividale del Friuli | 580.52 mi (934.25 km) |
| Leidschendam to Civita Castellana | 772.70 mi (1,243.54 km) |
| Leidschendam to Civitanova Marche | 744.83 mi (1,198.69 km) |
| Leidschendam to Civitavecchia | 771.69 mi (1,241.91 km) |
| Leidschendam to Civitella in Val di Chiana | 687.74 mi (1,106.82 km) |
| Leidschendam to Clusone | 496.49 mi (799.03 km) |
| Leidschendam to Coccaglio | 516.68 mi (831.52 km) |
| Leidschendam to Codigoro | 612.40 mi (985.57 km) |
| Leidschendam to Codogno | 535.87 mi (862.40 km) |
| Leidschendam to Codroipo | 573.65 mi (923.19 km) |
| Leidschendam to Cogoleto | 566.12 mi (911.09 km) |
| Leidschendam to Colle di Val d'Elsa | 675.94 mi (1,087.82 km) |
| Leidschendam to Colle Salvetti | 649.94 mi (1,045.98 km) |
| Leidschendam to Collecchio | 572.17 mi (920.81 km) |
| Leidschendam to Colleferro | 821.37 mi (1,321.87 km) |
