| Oudewater to Opwijk | 78.28 mi (125.98 km) |
| Oudewater to Ostend | 99.81 mi (160.64 km) |
| Oudewater to Oud-Heverlee | 82.22 mi (132.32 km) |
| Oudewater to Oud-Turnhout | 48.62 mi (78.25 km) |
| Oudewater to Oudenaarde | 97.34 mi (156.65 km) |
| Oudewater to Oudenburg | 98.66 mi (158.77 km) |
| Oudewater to Oupeye | 96.41 mi (155.15 km) |
| Oudewater to Overijse | 86.42 mi (139.08 km) |
| Oudewater to Overpelt | 60.10 mi (96.72 km) |
| Oudewater to Paal | 68.81 mi (110.74 km) |
| Oudewater to Peer | 66.07 mi (106.32 km) |
| Oudewater to Pepinster | 108.27 mi (174.24 km) |
| Oudewater to Peruwelz | 117.55 mi (189.18 km) |
| Oudewater to Perwez | 96.25 mi (154.89 km) |
| Oudewater to Philippeville | 126.27 mi (203.21 km) |
