| Oleiros to Orbetello | 988.33 mi (1,590.56 km) |
| Oleiros to Oria | 1,342.91 mi (2,161.21 km) |
| Oleiros to Oristano | 903.10 mi (1,453.41 km) |
| Oleiros to Orta Nova | 1,230.76 mi (1,980.72 km) |
| Oleiros to Orte | 1,046.94 mi (1,684.89 km) |
| Oleiros to Ortona | 1,149.31 mi (1,849.63 km) |
| Oleiros to Orvieto | 1,030.07 mi (1,657.74 km) |
| Oleiros to Orzinuovi | 910.63 mi (1,465.52 km) |
| Oleiros to Osimo | 1,091.15 mi (1,756.03 km) |
| Oleiros to Ospitaletto | 917.93 mi (1,477.26 km) |
| Oleiros to Ostuni | 1,335.78 mi (2,149.74 km) |
| Oleiros to Ottaviano | 1,177.47 mi (1,894.95 km) |
| Oleiros to Ovada | 846.54 mi (1,362.38 km) |
| Oleiros to Ozieri | 908.15 mi (1,461.52 km) |
| Oleiros to Paceco | 1,150.83 mi (1,852.09 km) |
