| Navalcarnero to Opwijk | 836.41 mi (1,346.07 km) |
| Navalcarnero to Ostend | 825.65 mi (1,328.75 km) |
| Navalcarnero to Oud-Heverlee | 839.83 mi (1,351.58 km) |
| Navalcarnero to Oud-Turnhout | 875.32 mi (1,408.70 km) |
| Navalcarnero to Oudenaarde | 816.59 mi (1,314.18 km) |
| Navalcarnero to Oudenburg | 824.58 mi (1,327.04 km) |
| Navalcarnero to Oupeye | 857.13 mi (1,379.42 km) |
| Navalcarnero to Overijse | 833.76 mi (1,341.81 km) |
| Navalcarnero to Overpelt | 879.99 mi (1,416.20 km) |
| Navalcarnero to Paal | 863.89 mi (1,390.30 km) |
| Navalcarnero to Peer | 876.13 mi (1,410.00 km) |
| Navalcarnero to Pepinster | 853.90 mi (1,374.22 km) |
| Navalcarnero to Peruwelz | 796.27 mi (1,281.48 km) |
| Navalcarnero to Perwez | 831.39 mi (1,338.00 km) |
| Navalcarnero to Philippeville | 800.61 mi (1,288.46 km) |
