| Nieuwegein to Opwijk | 83.24 mi (133.96 km) |
| Nieuwegein to Ostend | 108.28 mi (174.26 km) |
| Nieuwegein to Oud-Heverlee | 84.83 mi (136.52 km) |
| Nieuwegein to Oud-Turnhout | 49.70 mi (79.98 km) |
| Nieuwegein to Oudenaarde | 103.75 mi (166.97 km) |
| Nieuwegein to Oudenburg | 106.95 mi (172.12 km) |
| Nieuwegein to Oupeye | 94.68 mi (152.37 km) |
| Nieuwegein to Overijse | 89.56 mi (144.13 km) |
| Nieuwegein to Overpelt | 58.21 mi (93.67 km) |
| Nieuwegein to Paal | 68.79 mi (110.71 km) |
| Nieuwegein to Peer | 64.22 mi (103.35 km) |
| Nieuwegein to Pepinster | 106.17 mi (170.86 km) |
| Nieuwegein to Peruwelz | 123.22 mi (198.30 km) |
| Nieuwegein to Perwez | 98.05 mi (157.80 km) |
| Nieuwegein to Philippeville | 128.76 mi (207.22 km) |
