| Cities | Distance |
|---|---|
| Rhondda to Opwijk | 331.31 mi (533.19 km) |
| Rhondda to Ostend | 274.27 mi (441.40 km) |
| Rhondda to Oud-Heverlee | 353.78 mi (569.35 km) |
| Rhondda to Oud-Turnhout | 361.99 mi (582.57 km) |
| Rhondda to Oudenaarde | 308.05 mi (495.76 km) |
| Rhondda to Oudenburg | 278.15 mi (447.64 km) |
| Rhondda to Oupeye | 397.30 mi (639.40 km) |
| Rhondda to Overijse | 348.82 mi (561.37 km) |
| Rhondda to Overpelt | 381.43 mi (613.86 km) |
| Rhondda to Paal | 372.79 mi (599.95 km) |
| Rhondda to Peer | 383.83 mi (617.71 km) |
| Rhondda to Pepinster | 406.94 mi (654.91 km) |
| Rhondda to Peruwelz | 313.18 mi (504.01 km) |
| Rhondda to Perwez | 363.35 mi (584.75 km) |
| Rhondda to Philippeville | 360.44 mi (580.07 km) |