| Nieuwkoop to Cividale del Friuli | 573.78 mi (923.42 km) |
| Nieuwkoop to Civita Castellana | 770.51 mi (1,240.02 km) |
| Nieuwkoop to Civitanova Marche | 740.60 mi (1,191.88 km) |
| Nieuwkoop to Civitavecchia | 770.25 mi (1,239.60 km) |
| Nieuwkoop to Civitella in Val di Chiana | 685.51 mi (1,103.21 km) |
| Nieuwkoop to Clusone | 494.27 mi (795.46 km) |
| Nieuwkoop to Coccaglio | 514.76 mi (828.42 km) |
| Nieuwkoop to Codigoro | 608.49 mi (979.26 km) |
| Nieuwkoop to Codogno | 534.72 mi (860.54 km) |
| Nieuwkoop to Codroipo | 567.54 mi (913.37 km) |
| Nieuwkoop to Cogoleto | 567.06 mi (912.60 km) |
| Nieuwkoop to Colle di Val d'Elsa | 674.37 mi (1,085.30 km) |
| Nieuwkoop to Colle Salvetti | 649.00 mi (1,044.47 km) |
| Nieuwkoop to Collecchio | 570.67 mi (918.41 km) |
| Nieuwkoop to Colleferro | 818.95 mi (1,317.97 km) |
