| Nieuwkoop to Noventa Vicentina | 567.23 mi (912.87 km) |
| Nieuwkoop to Novi di Modena | 576.10 mi (927.15 km) |
| Nieuwkoop to Novi Ligure | 544.77 mi (876.73 km) |
| Nieuwkoop to Nuoro | 848.00 mi (1,364.72 km) |
| Nieuwkoop to Occhiobello | 590.06 mi (949.62 km) |
| Nieuwkoop to Oderzo | 563.64 mi (907.09 km) |
| Nieuwkoop to Oggiono | 488.36 mi (785.94 km) |
| Nieuwkoop to Olbia | 809.84 mi (1,303.31 km) |
| Nieuwkoop to Oleggio | 487.42 mi (784.43 km) |
| Nieuwkoop to Olgiate Comasco | 481.26 mi (774.51 km) |
| Nieuwkoop to Olgiate Olona | 489.45 mi (787.70 km) |
| Nieuwkoop to Omegna | 465.66 mi (749.41 km) |
| Nieuwkoop to Opera | 511.41 mi (823.03 km) |
| Nieuwkoop to Oppeano | 557.77 mi (897.65 km) |
| Nieuwkoop to Orbassano | 511.62 mi (823.37 km) |
