| Nieuwkoop to Collegno | 507.30 mi (816.42 km) |
| Nieuwkoop to Cologno al Serio | 507.84 mi (817.29 km) |
| Nieuwkoop to Cologno Monzese | 503.22 mi (809.86 km) |
| Nieuwkoop to Colorno | 562.53 mi (905.31 km) |
| Nieuwkoop to Comacchio | 618.07 mi (994.69 km) |
| Nieuwkoop to Comiso | 1,156.02 mi (1,860.44 km) |
| Nieuwkoop to Como | 481.69 mi (775.21 km) |
| Nieuwkoop to Concordia Sagittaria | 574.56 mi (924.67 km) |
| Nieuwkoop to Concorezzo | 500.39 mi (805.30 km) |
| Nieuwkoop to Conegliano | 552.22 mi (888.72 km) |
| Nieuwkoop to Conselice | 620.53 mi (998.64 km) |
| Nieuwkoop to Conselve | 578.52 mi (931.03 km) |
| Nieuwkoop to Conversano | 969.11 mi (1,559.63 km) |
| Nieuwkoop to Copertino | 1,036.30 mi (1,667.77 km) |
| Nieuwkoop to Copparo | 597.48 mi (961.55 km) |
