| Piedras Blancas to Octeville | 466.75 mi (751.16 km) |
| Piedras Blancas to Oignies | 636.61 mi (1,024.53 km) |
| Piedras Blancas to Oissel | 521.81 mi (839.78 km) |
| Piedras Blancas to Olivet | 482.12 mi (775.90 km) |
| Piedras Blancas to Ollioules | 594.23 mi (956.32 km) |
| Piedras Blancas to Olonne-sur-Mer | 290.40 mi (467.36 km) |
| Piedras Blancas to Oloron-Sainte-Marie | 270.78 mi (435.78 km) |
| Piedras Blancas to Onet Village | 429.61 mi (691.38 km) |
| Piedras Blancas to Onnaing | 651.89 mi (1,049.11 km) |
| Piedras Blancas to Orange | 538.52 mi (866.67 km) |
| Piedras Blancas to Orchies | 644.71 mi (1,037.57 km) |
| Piedras Blancas to Orleans | 483.98 mi (778.89 km) |
| Piedras Blancas to Orly | 536.77 mi (863.86 km) |
| Piedras Blancas to Ormesson-sur-Marne | 543.76 mi (875.10 km) |
| Piedras Blancas to Orsay | 527.51 mi (848.94 km) |
