| Abertillery to Opwijk | 319.84 mi (514.73 km) |
| Abertillery to Ostend | 262.56 mi (422.55 km) |
| Abertillery to Oud-Heverlee | 342.43 mi (551.08 km) |
| Abertillery to Oud-Turnhout | 349.77 mi (562.90 km) |
| Abertillery to Oudenaarde | 296.97 mi (477.93 km) |
| Abertillery to Oudenburg | 266.52 mi (428.92 km) |
| Abertillery to Oupeye | 385.92 mi (621.08 km) |
| Abertillery to Overijse | 337.59 mi (543.30 km) |
| Abertillery to Overpelt | 369.31 mi (594.35 km) |
| Abertillery to Paal | 360.99 mi (580.95 km) |
| Abertillery to Peer | 371.83 mi (598.39 km) |
| Abertillery to Pepinster | 395.75 mi (636.89 km) |
| Abertillery to Peruwelz | 302.83 mi (487.36 km) |
| Abertillery to Perwez | 352.33 mi (567.02 km) |
| Abertillery to Philippeville | 350.32 mi (563.78 km) |
