| Prestatyn to Octeville | 266.90 mi (429.53 km) |
| Prestatyn to Oignies | 336.71 mi (541.88 km) |
| Prestatyn to Oissel | 336.96 mi (542.28 km) |
| Prestatyn to Olivet | 443.38 mi (713.55 km) |
| Prestatyn to Ollioules | 821.37 mi (1,321.87 km) |
| Prestatyn to Olonne-sur-Mer | 475.03 mi (764.48 km) |
| Prestatyn to Oloron-Sainte-Marie | 711.97 mi (1,145.80 km) |
| Prestatyn to Onet Village | 676.25 mi (1,088.32 km) |
| Prestatyn to Onnaing | 361.21 mi (581.31 km) |
| Prestatyn to Orange | 736.17 mi (1,184.75 km) |
| Prestatyn to Orchies | 345.17 mi (555.50 km) |
| Prestatyn to Orleans | 441.26 mi (710.14 km) |
| Prestatyn to Orly | 404.57 mi (651.10 km) |
| Prestatyn to Ormesson-sur-Marne | 406.21 mi (653.73 km) |
| Prestatyn to Orsay | 401.69 mi (646.45 km) |
