| Pilas to Orbetello | 991.83 mi (1,596.20 km) |
| Pilas to Oria | 1,301.51 mi (2,094.58 km) |
| Pilas to Oristano | 822.82 mi (1,324.21 km) |
| Pilas to Orta Nova | 1,205.46 mi (1,940.01 km) |
| Pilas to Orte | 1,050.16 mi (1,690.06 km) |
| Pilas to Ortona | 1,148.99 mi (1,849.12 km) |
| Pilas to Orvieto | 1,040.94 mi (1,675.24 km) |
| Pilas to Orzinuovi | 1,007.90 mi (1,622.07 km) |
| Pilas to Osimo | 1,121.69 mi (1,805.18 km) |
| Pilas to Ospitaletto | 1,018.95 mi (1,639.83 km) |
| Pilas to Ostuni | 1,299.56 mi (2,091.44 km) |
| Pilas to Ottaviano | 1,138.13 mi (1,831.65 km) |
| Pilas to Ovada | 927.74 mi (1,493.05 km) |
| Pilas to Ozieri | 851.76 mi (1,370.78 km) |
| Pilas to Paceco | 1,030.53 mi (1,658.48 km) |
