| Odivelas to Opwijk | 1,062.29 mi (1,709.59 km) |
| Odivelas to Ostend | 1,039.91 mi (1,673.57 km) |
| Odivelas to Oud-Heverlee | 1,070.12 mi (1,722.20 km) |
| Odivelas to Oud-Turnhout | 1,103.68 mi (1,776.19 km) |
| Odivelas to Oudenaarde | 1,039.24 mi (1,672.49 km) |
| Odivelas to Oudenburg | 1,039.83 mi (1,673.45 km) |
| Odivelas to Oupeye | 1,094.58 mi (1,761.55 km) |
| Odivelas to Overijse | 1,063.59 mi (1,711.68 km) |
| Odivelas to Overpelt | 1,111.88 mi (1,789.40 km) |
| Odivelas to Paal | 1,095.73 mi (1,763.41 km) |
| Odivelas to Peer | 1,108.94 mi (1,784.66 km) |
| Odivelas to Pepinster | 1,093.53 mi (1,759.87 km) |
| Odivelas to Peruwelz | 1,021.64 mi (1,644.18 km) |
| Odivelas to Perwez | 1,064.42 mi (1,713.03 km) |
| Odivelas to Philippeville | 1,035.55 mi (1,666.56 km) |
