| Nieuwkoop to Castelfidardo | 726.04 mi (1,168.44 km) |
| Nieuwkoop to Castelfiorentino | 658.37 mi (1,059.54 km) |
| Nieuwkoop to Castelfranco di Sopra | 669.19 mi (1,076.95 km) |
| Nieuwkoop to Castelfranco di Sotto | 647.73 mi (1,042.42 km) |
| Nieuwkoop to Castelfranco Emilia | 597.76 mi (962.01 km) |
| Nieuwkoop to Castelfranco Veneto | 554.92 mi (893.05 km) |
| Nieuwkoop to Castellabate | 953.72 mi (1,534.86 km) |
| Nieuwkoop to Castellammare del Golfo | 1,053.56 mi (1,695.54 km) |
| Nieuwkoop to Castellammare di Stabia | 916.86 mi (1,475.55 km) |
| Nieuwkoop to Castellamonte | 488.57 mi (786.28 km) |
| Nieuwkoop to Castellana Grotte | 975.37 mi (1,569.71 km) |
| Nieuwkoop to Castellaneta | 983.48 mi (1,582.76 km) |
| Nieuwkoop to Castellanza | 490.81 mi (789.89 km) |
| Nieuwkoop to Castellarano | 593.82 mi (955.65 km) |
| Nieuwkoop to Castelleone | 527.18 mi (848.42 km) |
