| Cecina to Octeville | 723.03 mi (1,163.61 km) |
| Cecina to Oignies | 607.93 mi (978.36 km) |
| Cecina to Oissel | 611.95 mi (984.83 km) |
| Cecina to Olivet | 521.26 mi (838.89 km) |
| Cecina to Ollioules | 235.38 mi (378.81 km) |
| Cecina to Olonne-sur-Mer | 640.19 mi (1,030.28 km) |
| Cecina to Oloron-Sainte-Marie | 559.39 mi (900.25 km) |
| Cecina to Onet Village | 401.27 mi (645.78 km) |
| Cecina to Onnaing | 587.28 mi (945.14 km) |
| Cecina to Orange | 290.48 mi (467.49 km) |
| Cecina to Orchies | 601.44 mi (967.93 km) |
| Cecina to Orleans | 522.43 mi (840.77 km) |
| Cecina to Orly | 540.25 mi (869.45 km) |
| Cecina to Ormesson-sur-Marne | 537.18 mi (864.51 km) |
| Cecina to Orsay | 545.33 mi (877.62 km) |
