| Tonyrefail to Octeville | 156.29 mi (251.52 km) |
| Tonyrefail to Oignies | 289.50 mi (465.90 km) |
| Tonyrefail to Oissel | 252.03 mi (405.60 km) |
| Tonyrefail to Olivet | 350.21 mi (563.60 km) |
| Tonyrefail to Ollioules | 726.08 mi (1,168.51 km) |
| Tonyrefail to Olonne-sur-Mer | 356.73 mi (574.11 km) |
| Tonyrefail to Oloron-Sainte-Marie | 594.42 mi (956.62 km) |
| Tonyrefail to Onet Village | 570.85 mi (918.69 km) |
| Tonyrefail to Onnaing | 316.55 mi (509.43 km) |
| Tonyrefail to Orange | 639.91 mi (1,029.83 km) |
| Tonyrefail to Orchies | 299.88 mi (482.62 km) |
| Tonyrefail to Orleans | 348.45 mi (560.77 km) |
| Tonyrefail to Orly | 323.78 mi (521.08 km) |
| Tonyrefail to Ormesson-sur-Marne | 327.11 mi (526.44 km) |
| Tonyrefail to Orsay | 318.67 mi (512.85 km) |
