| Humanes de Madrid to Opwijk | 834.18 mi (1,342.49 km) |
| Humanes de Madrid to Ostend | 824.10 mi (1,326.26 km) |
| Humanes de Madrid to Oud-Heverlee | 837.34 mi (1,347.57 km) |
| Humanes de Madrid to Oud-Turnhout | 872.91 mi (1,404.81 km) |
| Humanes de Madrid to Oudenaarde | 814.58 mi (1,310.94 km) |
| Humanes de Madrid to Oudenburg | 822.98 mi (1,324.46 km) |
| Humanes de Madrid to Oupeye | 854.18 mi (1,374.67 km) |
| Humanes de Madrid to Overijse | 831.31 mi (1,337.86 km) |
| Humanes de Madrid to Overpelt | 877.35 mi (1,411.96 km) |
| Humanes de Madrid to Paal | 861.28 mi (1,386.10 km) |
| Humanes de Madrid to Peer | 873.44 mi (1,405.67 km) |
| Humanes de Madrid to Pepinster | 850.81 mi (1,369.25 km) |
| Humanes de Madrid to Peruwelz | 794.13 mi (1,278.03 km) |
| Humanes de Madrid to Perwez | 828.75 mi (1,333.74 km) |
| Humanes de Madrid to Philippeville | 797.89 mi (1,284.07 km) |
