| Ystrad Mynach to Opwijk | 323.91 mi (521.28 km) |
| Ystrad Mynach to Ostend | 266.80 mi (429.38 km) |
| Ystrad Mynach to Oud-Heverlee | 346.41 mi (557.49 km) |
| Ystrad Mynach to Oud-Turnhout | 354.40 mi (570.36 km) |
| Ystrad Mynach to Oudenaarde | 300.76 mi (484.02 km) |
| Ystrad Mynach to Oudenburg | 270.70 mi (435.66 km) |
| Ystrad Mynach to Oupeye | 389.93 mi (627.53 km) |
| Ystrad Mynach to Overijse | 341.49 mi (549.57 km) |
| Ystrad Mynach to Overpelt | 373.87 mi (601.69 km) |
| Ystrad Mynach to Paal | 365.31 mi (587.90 km) |
| Ystrad Mynach to Peer | 376.29 mi (605.58 km) |
| Ystrad Mynach to Pepinster | 399.62 mi (643.13 km) |
| Ystrad Mynach to Peruwelz | 306.11 mi (492.63 km) |
| Ystrad Mynach to Perwez | 356.08 mi (573.05 km) |
| Ystrad Mynach to Philippeville | 353.45 mi (568.82 km) |
