| Cerreto Guidi to Octeville | 717.09 mi (1,154.05 km) |
| Cerreto Guidi to Oignies | 592.66 mi (953.79 km) |
| Cerreto Guidi to Oissel | 603.17 mi (970.71 km) |
| Cerreto Guidi to Olivet | 516.46 mi (831.16 km) |
| Cerreto Guidi to Ollioules | 256.26 mi (412.41 km) |
| Cerreto Guidi to Olonne-sur-Mer | 644.86 mi (1,037.81 km) |
| Cerreto Guidi to Oloron-Sainte-Marie | 576.94 mi (928.49 km) |
| Cerreto Guidi to Onet Village | 413.45 mi (665.38 km) |
| Cerreto Guidi to Onnaing | 571.07 mi (919.05 km) |
| Cerreto Guidi to Orange | 303.13 mi (487.84 km) |
| Cerreto Guidi to Orchies | 585.70 mi (942.59 km) |
| Cerreto Guidi to Orleans | 517.46 mi (832.77 km) |
| Cerreto Guidi to Orly | 531.22 mi (854.92 km) |
| Cerreto Guidi to Ormesson-sur-Marne | 527.73 mi (849.30 km) |
| Cerreto Guidi to Orsay | 536.84 mi (863.96 km) |
