| Pontneddfechan to Opwijk | 339.50 mi (546.37 km) |
| Pontneddfechan to Ostend | 282.23 mi (454.20 km) |
| Pontneddfechan to Oud-Heverlee | 362.08 mi (582.71 km) |
| Pontneddfechan to Oud-Turnhout | 369.39 mi (594.48 km) |
| Pontneddfechan to Oudenaarde | 316.59 mi (509.51 km) |
| Pontneddfechan to Oudenburg | 286.18 mi (460.57 km) |
| Pontneddfechan to Oupeye | 405.58 mi (652.71 km) |
| Pontneddfechan to Overijse | 357.23 mi (574.91 km) |
| Pontneddfechan to Overpelt | 388.95 mi (625.95 km) |
| Pontneddfechan to Paal | 380.65 mi (612.59 km) |
| Pontneddfechan to Peer | 391.47 mi (630.02 km) |
| Pontneddfechan to Pepinster | 415.39 mi (668.50 km) |
| Pontneddfechan to Peruwelz | 322.31 mi (518.71 km) |
| Pontneddfechan to Perwez | 371.95 mi (598.59 km) |
| Pontneddfechan to Philippeville | 369.74 mi (595.04 km) |
