| Peso da Regua to Opwijk | 885.05 mi (1,424.35 km) |
| Peso da Regua to Ostend | 861.16 mi (1,385.90 km) |
| Peso da Regua to Oud-Heverlee | 893.64 mi (1,438.18 km) |
| Peso da Regua to Oud-Turnhout | 926.70 mi (1,491.38 km) |
| Peso da Regua to Oudenaarde | 861.58 mi (1,386.57 km) |
| Peso da Regua to Oudenburg | 861.19 mi (1,385.95 km) |
| Peso da Regua to Oupeye | 919.52 mi (1,479.83 km) |
| Peso da Regua to Overijse | 887.04 mi (1,427.56 km) |
| Peso da Regua to Overpelt | 935.54 mi (1,505.60 km) |
| Peso da Regua to Paal | 919.45 mi (1,479.70 km) |
| Peso da Regua to Peer | 932.79 mi (1,501.18 km) |
| Peso da Regua to Pepinster | 919.02 mi (1,479.02 km) |
| Peso da Regua to Peruwelz | 844.49 mi (1,359.07 km) |
| Peso da Regua to Perwez | 888.52 mi (1,429.94 km) |
| Peso da Regua to Philippeville | 860.21 mi (1,384.37 km) |
