| Casas Adobes to Opwijk | 5,465.43 mi (8,795.76 km) |
| Casas Adobes to Ostend | 5,411.33 mi (8,708.70 km) |
| Casas Adobes to Oud-Heverlee | 5,487.59 mi (8,831.43 km) |
| Casas Adobes to Oud-Turnhout | 5,477.07 mi (8,814.49 km) |
| Casas Adobes to Oudenaarde | 5,450.63 mi (8,771.94 km) |
| Casas Adobes to Oudenburg | 5,415.89 mi (8,716.04 km) |
| Casas Adobes to Oupeye | 5,525.98 mi (8,893.21 km) |
| Casas Adobes to Overijse | 5,485.26 mi (8,827.68 km) |
| Casas Adobes to Overpelt | 5,495.92 mi (8,844.83 km) |
| Casas Adobes to Paal | 5,495.60 mi (8,844.31 km) |
| Casas Adobes to Peer | 5,500.85 mi (8,852.77 km) |
| Casas Adobes to Pepinster | 5,538.10 mi (8,912.70 km) |
| Casas Adobes to Peruwelz | 5,464.39 mi (8,794.09 km) |
| Casas Adobes to Perwez | 5,501.77 mi (8,854.24 km) |
| Casas Adobes to Philippeville | 5,511.30 mi (8,869.58 km) |
