| Castelnuovo Berardenga to Octeville | 759.50 mi (1,222.29 km) |
| Castelnuovo Berardenga to Oignies | 634.38 mi (1,020.94 km) |
| Castelnuovo Berardenga to Oissel | 645.67 mi (1,039.11 km) |
| Castelnuovo Berardenga to Olivet | 558.72 mi (899.17 km) |
| Castelnuovo Berardenga to Ollioules | 285.06 mi (458.75 km) |
| Castelnuovo Berardenga to Olonne-sur-Mer | 684.69 mi (1,101.90 km) |
| Castelnuovo Berardenga to Oloron-Sainte-Marie | 608.85 mi (979.84 km) |
| Castelnuovo Berardenga to Onet Village | 449.26 mi (723.01 km) |
| Castelnuovo Berardenga to Onnaing | 612.55 mi (985.81 km) |
| Castelnuovo Berardenga to Orange | 338.51 mi (544.79 km) |
| Castelnuovo Berardenga to Orchies | 627.30 mi (1,009.54 km) |
| Castelnuovo Berardenga to Orleans | 559.74 mi (900.81 km) |
| Castelnuovo Berardenga to Orly | 573.72 mi (923.31 km) |
| Castelnuovo Berardenga to Ormesson-sur-Marne | 570.22 mi (917.69 km) |
| Castelnuovo Berardenga to Orsay | 579.34 mi (932.36 km) |
