| Castelfranco Veneto to Oria | 458.19 mi (737.39 km) |
| Castelfranco Veneto to Oristano | 432.50 mi (696.04 km) |
| Castelfranco Veneto to Orta Nova | 354.31 mi (570.21 km) |
| Castelfranco Veneto to Orte | 222.68 mi (358.36 km) |
| Castelfranco Veneto to Ortona | 259.85 mi (418.20 km) |
| Castelfranco Veneto to Orvieto | 203.90 mi (328.15 km) |
| Castelfranco Veneto to Orzinuovi | 98.53 mi (158.58 km) |
| Castelfranco Veneto to Osimo | 169.04 mi (272.05 km) |
| Castelfranco Veneto to Ospitaletto | 90.23 mi (145.20 km) |
| Castelfranco Veneto to Ostuni | 443.80 mi (714.22 km) |
| Castelfranco Veneto to Ottaviano | 356.52 mi (573.77 km) |
| Castelfranco Veneto to Ovada | 175.17 mi (281.91 km) |
| Castelfranco Veneto to Ozieri | 380.87 mi (612.95 km) |
| Castelfranco Veneto to Paceco | 531.82 mi (855.87 km) |
| Castelfranco Veneto to Pachino | 639.78 mi (1,029.63 km) |
