| Ovidiu to Opwijk | 1,218.86 mi (1,961.56 km) |
| Ovidiu to Ostend | 1,276.26 mi (2,053.95 km) |
| Ovidiu to Oud-Heverlee | 1,196.27 mi (1,925.21 km) |
| Ovidiu to Oud-Turnhout | 1,190.95 mi (1,916.66 km) |
| Ovidiu to Oudenaarde | 1,241.98 mi (1,998.77 km) |
| Ovidiu to Oudenburg | 1,272.24 mi (2,047.47 km) |
| Ovidiu to Oupeye | 1,152.76 mi (1,855.19 km) |
| Ovidiu to Overijse | 1,201.18 mi (1,933.12 km) |
| Ovidiu to Overpelt | 1,171.07 mi (1,884.65 km) |
| Ovidiu to Paal | 1,178.19 mi (1,896.12 km) |
| Ovidiu to Peer | 1,168.02 mi (1,879.75 km) |
| Ovidiu to Pepinster | 1,143.06 mi (1,839.58 km) |
| Ovidiu to Peruwelz | 1,238.22 mi (1,992.72 km) |
| Ovidiu to Perwez | 1,186.76 mi (1,909.90 km) |
| Ovidiu to Philippeville | 1,192.27 mi (1,918.77 km) |
