| Nieuwkoop to Orthez | 652.90 mi (1,050.74 km) |
| Nieuwkoop to Orvault | 443.05 mi (713.01 km) |
| Nieuwkoop to Osny | 246.22 mi (396.25 km) |
| Nieuwkoop to Ostwald | 282.52 mi (454.67 km) |
| Nieuwkoop to Ouistreham | 297.46 mi (478.71 km) |
| Nieuwkoop to Oullins | 446.92 mi (719.25 km) |
| Nieuwkoop to Outreau | 170.61 mi (274.58 km) |
| Nieuwkoop to Oyonnax | 411.48 mi (662.21 km) |
| Nieuwkoop to Ozoir-la-Ferriere | 252.51 mi (406.38 km) |
| Nieuwkoop to Pace | 401.63 mi (646.36 km) |
| Nieuwkoop to Palaiseau | 264.05 mi (424.95 km) |
| Nieuwkoop to Pamiers | 643.29 mi (1,035.27 km) |
| Nieuwkoop to Panazol | 465.37 mi (748.94 km) |
| Nieuwkoop to Pantin | 249.67 mi (401.81 km) |
| Nieuwkoop to Paray-le-Monial | 397.12 mi (639.11 km) |
