| Morriston to Opwijk | 353.87 mi (569.50 km) |
| Morriston to Ostend | 296.78 mi (477.62 km) |
| Morriston to Oud-Heverlee | 376.35 mi (605.68 km) |
| Morriston to Oud-Turnhout | 384.35 mi (618.55 km) |
| Morriston to Oudenaarde | 330.65 mi (532.13 km) |
| Morriston to Oudenburg | 300.68 mi (483.90 km) |
| Morriston to Oupeye | 419.88 mi (675.73 km) |
| Morriston to Overijse | 371.41 mi (597.72 km) |
| Morriston to Overpelt | 403.83 mi (649.90 km) |
| Morriston to Paal | 395.29 mi (636.15 km) |
| Morriston to Peer | 406.26 mi (653.82 km) |
| Morriston to Pepinster | 429.54 mi (691.28 km) |
| Morriston to Peruwelz | 335.77 mi (540.37 km) |
| Morriston to Perwez | 385.95 mi (621.13 km) |
| Morriston to Philippeville | 383.00 mi (616.38 km) |
