| Ostringen to Opwijk | 234.14 mi (376.81 km) |
| Ostringen to Ostend | 291.02 mi (468.35 km) |
| Ostringen to Oud-Heverlee | 211.28 mi (340.02 km) |
| Ostringen to Oud-Turnhout | 219.27 mi (352.87 km) |
| Ostringen to Oudenaarde | 253.18 mi (407.46 km) |
| Ostringen to Oudenburg | 286.60 mi (461.23 km) |
| Ostringen to Oupeye | 170.78 mi (274.84 km) |
| Ostringen to Overijse | 214.65 mi (345.45 km) |
| Ostringen to Overpelt | 200.60 mi (322.83 km) |
| Ostringen to Paal | 200.88 mi (323.28 km) |
| Ostringen to Peer | 195.54 mi (314.70 km) |
| Ostringen to Pepinster | 158.92 mi (255.75 km) |
| Ostringen to Peruwelz | 245.25 mi (394.68 km) |
| Ostringen to Perwez | 198.59 mi (319.60 km) |
| Ostringen to Philippeville | 197.83 mi (318.38 km) |
