| Oliveira do Hospital to Opwijk | 933.20 mi (1,501.85 km) |
| Oliveira do Hospital to Ostend | 910.91 mi (1,465.97 km) |
| Oliveira do Hospital to Oud-Heverlee | 941.11 mi (1,514.57 km) |
| Oliveira do Hospital to Oud-Turnhout | 974.61 mi (1,568.49 km) |
| Oliveira do Hospital to Oudenaarde | 910.14 mi (1,464.73 km) |
| Oliveira do Hospital to Oudenburg | 910.82 mi (1,465.82 km) |
| Oliveira do Hospital to Oupeye | 965.82 mi (1,554.34 km) |
| Oliveira do Hospital to Overijse | 934.57 mi (1,504.04 km) |
| Oliveira do Hospital to Overpelt | 982.89 mi (1,581.81 km) |
| Oliveira do Hospital to Paal | 966.75 mi (1,555.83 km) |
| Oliveira do Hospital to Peer | 979.98 mi (1,577.12 km) |
| Oliveira do Hospital to Pepinster | 964.90 mi (1,552.86 km) |
| Oliveira do Hospital to Peruwelz | 892.56 mi (1,436.44 km) |
| Oliveira do Hospital to Perwez | 935.50 mi (1,505.54 km) |
| Oliveira do Hospital to Philippeville | 906.72 mi (1,459.23 km) |
