| Nieuwkoop to Castelletto sopra Ticino | 479.84 mi (772.22 km) |
| Nieuwkoop to Castelli Calepio | 508.76 mi (818.78 km) |
| Nieuwkoop to Castelnovo ne' Monti | 594.33 mi (956.49 km) |
| Nieuwkoop to Castelnuovo Berardenga | 685.32 mi (1,102.92 km) |
| Nieuwkoop to Castelnuovo di Porto | 782.65 mi (1,259.56 km) |
| Nieuwkoop to Castelnuovo di Verona | 539.99 mi (869.03 km) |
| Nieuwkoop to Castelnuovo Rangone | 598.06 mi (962.48 km) |
| Nieuwkoop to Castelvetrano | 1,074.44 mi (1,729.15 km) |
| Nieuwkoop to Castelvetro di Modena | 601.53 mi (968.06 km) |
| Nieuwkoop to Castenaso | 612.49 mi (985.70 km) |
| Nieuwkoop to Castenedolo | 527.27 mi (848.56 km) |
| Nieuwkoop to Castiglion Fiorentino | 694.44 mi (1,117.60 km) |
| Nieuwkoop to Castiglione del Lago | 710.04 mi (1,142.70 km) |
| Nieuwkoop to Castiglione delle Stiviere | 536.05 mi (862.68 km) |
| Nieuwkoop to Castrolibero | 1,043.23 mi (1,678.91 km) |
