| Petilia Policastro to Orbetello | 370.88 mi (596.88 km) |
| Petilia Policastro to Oria | 105.69 mi (170.09 km) |
| Petilia Policastro to Oristano | 439.89 mi (707.94 km) |
| Petilia Policastro to Orta Nova | 163.09 mi (262.47 km) |
| Petilia Policastro to Orte | 325.92 mi (524.52 km) |
| Petilia Policastro to Ortona | 255.86 mi (411.76 km) |
| Petilia Policastro to Orvieto | 348.39 mi (560.67 km) |
| Petilia Policastro to Orzinuovi | 557.39 mi (897.03 km) |
| Petilia Policastro to Osimo | 346.87 mi (558.23 km) |
| Petilia Policastro to Ospitaletto | 561.12 mi (903.04 km) |
| Petilia Policastro to Ostuni | 119.47 mi (192.26 km) |
| Petilia Policastro to Ottaviano | 171.00 mi (275.19 km) |
| Petilia Policastro to Ovada | 565.88 mi (910.70 km) |
| Petilia Policastro to Ozieri | 424.81 mi (683.66 km) |
| Petilia Policastro to Paceco | 241.75 mi (389.06 km) |
