| Castelfranco Veneto to Octeville | 687.37 mi (1,106.22 km) |
| Castelfranco Veneto to Oignies | 528.97 mi (851.30 km) |
| Castelfranco Veneto to Oissel | 565.46 mi (910.02 km) |
| Castelfranco Veneto to Olivet | 498.08 mi (801.58 km) |
| Castelfranco Veneto to Ollioules | 347.36 mi (559.02 km) |
| Castelfranco Veneto to Olonne-sur-Mer | 658.54 mi (1,059.82 km) |
| Castelfranco Veneto to Oloron-Sainte-Marie | 641.10 mi (1,031.76 km) |
| Castelfranco Veneto to Onet Village | 464.66 mi (747.80 km) |
| Castelfranco Veneto to Onnaing | 504.19 mi (811.41 km) |
| Castelfranco Veneto to Orange | 364.12 mi (586.00 km) |
| Castelfranco Veneto to Orchies | 520.27 mi (837.29 km) |
| Castelfranco Veneto to Orleans | 498.35 mi (802.02 km) |
| Castelfranco Veneto to Orly | 495.27 mi (797.06 km) |
| Castelfranco Veneto to Ormesson-sur-Marne | 490.23 mi (788.94 km) |
| Castelfranco Veneto to Orsay | 502.83 mi (809.22 km) |
