| s-Gravendeel to Opwijk | 59.44 mi (95.65 km) |
| s-Gravendeel to Ostend | 82.53 mi (132.82 km) |
| s-Gravendeel to Oud-Heverlee | 65.67 mi (105.69 km) |
| s-Gravendeel to Oud-Turnhout | 35.88 mi (57.74 km) |
| s-Gravendeel to Oudenaarde | 78.01 mi (125.55 km) |
| s-Gravendeel to Oudenburg | 80.98 mi (130.32 km) |
| s-Gravendeel to Oupeye | 86.53 mi (139.25 km) |
| s-Gravendeel to Overijse | 69.19 mi (111.35 km) |
| s-Gravendeel to Overpelt | 52.12 mi (83.88 km) |
| s-Gravendeel to Paal | 56.72 mi (91.29 km) |
| s-Gravendeel to Peer | 57.60 mi (92.70 km) |
| s-Gravendeel to Pepinster | 98.83 mi (159.05 km) |
| s-Gravendeel to Peruwelz | 98.31 mi (158.21 km) |
| s-Gravendeel to Perwez | 80.55 mi (129.64 km) |
| s-Gravendeel to Philippeville | 109.43 mi (176.12 km) |
