| Oliveira do Bairro to Opwijk | 943.53 mi (1,518.47 km) |
| Oliveira do Bairro to Ostend | 919.29 mi (1,479.45 km) |
| Oliveira do Bairro to Oud-Heverlee | 952.21 mi (1,532.44 km) |
| Oliveira do Bairro to Oud-Turnhout | 985.22 mi (1,585.55 km) |
| Oliveira do Bairro to Oudenaarde | 919.99 mi (1,480.59 km) |
| Oliveira do Bairro to Oudenburg | 919.36 mi (1,479.57 km) |
| Oliveira do Bairro to Oupeye | 978.16 mi (1,574.19 km) |
| Oliveira do Bairro to Overijse | 945.61 mi (1,521.81 km) |
| Oliveira do Bairro to Overpelt | 994.12 mi (1,599.87 km) |
| Oliveira do Bairro to Paal | 978.03 mi (1,573.98 km) |
| Oliveira do Bairro to Peer | 991.38 mi (1,595.47 km) |
| Oliveira do Bairro to Pepinster | 977.66 mi (1,573.39 km) |
| Oliveira do Bairro to Peruwelz | 902.99 mi (1,453.22 km) |
| Oliveira do Bairro to Perwez | 947.13 mi (1,524.26 km) |
| Oliveira do Bairro to Philippeville | 918.84 mi (1,478.73 km) |
