| Lisbon to Opwijk | 1,065.17 mi (1,714.22 km) |
| Lisbon to Ostend | 1,042.98 mi (1,678.52 km) |
| Lisbon to Oud-Heverlee | 1,072.93 mi (1,726.71 km) |
| Lisbon to Oud-Turnhout | 1,106.53 mi (1,780.78 km) |
| Lisbon to Oudenaarde | 1,042.17 mi (1,677.21 km) |
| Lisbon to Oudenburg | 1,042.89 mi (1,678.37 km) |
| Lisbon to Oupeye | 1,097.25 mi (1,765.85 km) |
| Lisbon to Overijse | 1,066.39 mi (1,716.20 km) |
| Lisbon to Overpelt | 1,114.67 mi (1,793.88 km) |
| Lisbon to Paal | 1,098.51 mi (1,767.89 km) |
| Lisbon to Peer | 1,111.70 mi (1,789.11 km) |
| Lisbon to Pepinster | 1,096.16 mi (1,764.10 km) |
| Lisbon to Peruwelz | 1,024.52 mi (1,648.80 km) |
| Lisbon to Perwez | 1,067.17 mi (1,717.45 km) |
| Lisbon to Philippeville | 1,038.25 mi (1,670.90 km) |
