| Porto de Mos to Opwijk | 1,004.92 mi (1,617.26 km) |
| Porto de Mos to Ostend | 981.82 mi (1,580.09 km) |
| Porto de Mos to Oud-Heverlee | 1,013.08 mi (1,630.40 km) |
| Porto de Mos to Oud-Turnhout | 1,046.43 mi (1,684.06 km) |
| Porto de Mos to Oudenaarde | 981.67 mi (1,579.85 km) |
| Porto de Mos to Oudenburg | 981.81 mi (1,580.06 km) |
| Porto de Mos to Oupeye | 1,038.13 mi (1,670.71 km) |
| Porto de Mos to Overijse | 1,006.52 mi (1,619.83 km) |
| Porto de Mos to Overpelt | 1,054.90 mi (1,697.70 km) |
| Porto de Mos to Paal | 1,038.77 mi (1,671.75 km) |
| Porto de Mos to Peer | 1,052.04 mi (1,693.10 km) |
| Porto de Mos to Pepinster | 1,037.30 mi (1,669.38 km) |
| Porto de Mos to Peruwelz | 964.30 mi (1,551.90 km) |
| Porto de Mos to Perwez | 1,007.62 mi (1,621.61 km) |
| Porto de Mos to Philippeville | 978.97 mi (1,575.50 km) |
