| Amadora to Opwijk | 1,067.16 mi (1,717.44 km) |
| Amadora to Ostend | 1,044.77 mi (1,681.39 km) |
| Amadora to Oud-Heverlee | 1,075.00 mi (1,730.05 km) |
| Amadora to Oud-Turnhout | 1,108.55 mi (1,784.05 km) |
| Amadora to Oudenaarde | 1,044.11 mi (1,680.34 km) |
| Amadora to Oudenburg | 1,044.69 mi (1,681.27 km) |
| Amadora to Oupeye | 1,099.46 mi (1,769.41 km) |
| Amadora to Overijse | 1,068.47 mi (1,719.53 km) |
| Amadora to Overpelt | 1,116.76 mi (1,797.25 km) |
| Amadora to Paal | 1,100.61 mi (1,771.26 km) |
| Amadora to Peer | 1,113.82 mi (1,792.52 km) |
| Amadora to Pepinster | 1,098.42 mi (1,767.73 km) |
| Amadora to Peruwelz | 1,026.52 mi (1,652.03 km) |
| Amadora to Perwez | 1,069.31 mi (1,720.88 km) |
| Amadora to Philippeville | 1,040.43 mi (1,674.41 km) |
