| Palos de la Frontera to Opwijk | 1,094.16 mi (1,760.88 km) |
| Palos de la Frontera to Ostend | 1,080.11 mi (1,738.26 km) |
| Palos de la Frontera to Oud-Heverlee | 1,098.63 mi (1,768.08 km) |
| Palos de la Frontera to Oud-Turnhout | 1,133.80 mi (1,824.68 km) |
| Palos de la Frontera to Oudenaarde | 1,073.42 mi (1,727.51 km) |
| Palos de la Frontera to Oudenburg | 1,079.34 mi (1,737.03 km) |
| Palos de la Frontera to Oupeye | 1,117.41 mi (1,798.30 km) |
| Palos de la Frontera to Overijse | 1,092.44 mi (1,758.11 km) |
| Palos de la Frontera to Overpelt | 1,139.26 mi (1,833.46 km) |
| Palos de la Frontera to Paal | 1,123.11 mi (1,807.46 km) |
| Palos de la Frontera to Peer | 1,135.58 mi (1,827.54 km) |
| Palos de la Frontera to Pepinster | 1,114.54 mi (1,793.67 km) |
| Palos de la Frontera to Peruwelz | 1,053.73 mi (1,695.82 km) |
| Palos de la Frontera to Perwez | 1,090.76 mi (1,755.41 km) |
| Palos de la Frontera to Philippeville | 1,060.27 mi (1,706.34 km) |
