| Breaza to Opwijk | 1,064.09 mi (1,712.49 km) |
| Breaza to Ostend | 1,121.58 mi (1,805.00 km) |
| Breaza to Oud-Heverlee | 1,041.44 mi (1,676.03 km) |
| Breaza to Oud-Turnhout | 1,036.75 mi (1,668.48 km) |
| Breaza to Oudenaarde | 1,087.02 mi (1,749.39 km) |
| Breaza to Oudenburg | 1,117.52 mi (1,798.48 km) |
| Breaza to Oupeye | 997.96 mi (1,606.06 km) |
| Breaza to Overijse | 1,046.28 mi (1,683.83 km) |
| Breaza to Overpelt | 1,016.83 mi (1,636.43 km) |
| Breaza to Paal | 1,023.68 mi (1,647.45 km) |
| Breaza to Peer | 1,013.68 mi (1,631.37 km) |
| Breaza to Pepinster | 988.14 mi (1,590.26 km) |
| Breaza to Peruwelz | 1,082.99 mi (1,742.90 km) |
| Breaza to Perwez | 1,031.75 mi (1,660.44 km) |
| Breaza to Philippeville | 1,036.90 mi (1,668.73 km) |
