| Bacau to Opwijk | 1,073.63 mi (1,727.85 km) |
| Bacau to Ostend | 1,130.30 mi (1,819.05 km) |
| Bacau to Oud-Heverlee | 1,051.55 mi (1,692.30 km) |
| Bacau to Oud-Turnhout | 1,042.95 mi (1,678.46 km) |
| Bacau to Oudenaarde | 1,097.88 mi (1,766.86 km) |
| Bacau to Oudenburg | 1,126.48 mi (1,812.90 km) |
| Bacau to Oupeye | 1,008.10 mi (1,622.38 km) |
| Bacau to Overijse | 1,056.88 mi (1,700.88 km) |
| Bacau to Overpelt | 1,023.31 mi (1,646.86 km) |
| Bacau to Paal | 1,031.76 mi (1,660.46 km) |
| Bacau to Peer | 1,020.76 mi (1,642.76 km) |
| Bacau to Pepinster | 999.21 mi (1,608.07 km) |
| Bacau to Peruwelz | 1,096.25 mi (1,764.24 km) |
| Bacau to Perwez | 1,043.29 mi (1,679.01 km) |
| Bacau to Philippeville | 1,051.82 mi (1,692.75 km) |
