| Mangalia to Opwijk | 1,236.18 mi (1,989.45 km) |
| Mangalia to Ostend | 1,293.70 mi (2,082.01 km) |
| Mangalia to Oud-Heverlee | 1,213.51 mi (1,952.95 km) |
| Mangalia to Oud-Turnhout | 1,208.98 mi (1,945.66 km) |
| Mangalia to Oudenaarde | 1,259.02 mi (2,026.19 km) |
| Mangalia to Oudenburg | 1,289.63 mi (2,075.46 km) |
| Mangalia to Oupeye | 1,170.05 mi (1,883.01 km) |
| Mangalia to Overijse | 1,218.32 mi (1,960.69 km) |
| Mangalia to Overpelt | 1,189.06 mi (1,913.60 km) |
| Mangalia to Paal | 1,195.86 mi (1,924.55 km) |
| Mangalia to Peer | 1,185.90 mi (1,908.52 km) |
| Mangalia to Pepinster | 1,160.17 mi (1,867.11 km) |
| Mangalia to Peruwelz | 1,254.77 mi (2,019.35 km) |
| Mangalia to Perwez | 1,203.72 mi (1,937.20 km) |
| Mangalia to Philippeville | 1,208.53 mi (1,944.94 km) |
