| Hillegom to Cividale del Friuli | 584.17 mi (940.13 km) |
| Hillegom to Civita Castellana | 780.42 mi (1,255.96 km) |
| Hillegom to Civitanova Marche | 750.81 mi (1,208.32 km) |
| Hillegom to Civitavecchia | 780.01 mi (1,255.31 km) |
| Hillegom to Civitella in Val di Chiana | 695.42 mi (1,119.17 km) |
| Hillegom to Clusone | 504.17 mi (811.39 km) |
| Hillegom to Coccaglio | 524.60 mi (844.26 km) |
| Hillegom to Codigoro | 618.66 mi (995.63 km) |
| Hillegom to Codogno | 544.40 mi (876.13 km) |
| Hillegom to Codroipo | 577.91 mi (930.05 km) |
| Hillegom to Cogoleto | 576.22 mi (927.33 km) |
| Hillegom to Colle di Val d'Elsa | 684.16 mi (1,101.04 km) |
| Hillegom to Colle Salvetti | 658.65 mi (1,059.99 km) |
| Hillegom to Collecchio | 580.43 mi (934.12 km) |
| Hillegom to Colleferro | 828.90 mi (1,333.99 km) |
