| Menderes to Orbetello | 885.25 mi (1,424.67 km) |
| Menderes to Oria | 530.30 mi (853.43 km) |
| Menderes to Oristano | 999.22 mi (1,608.09 km) |
| Menderes to Orta Nova | 642.00 mi (1,033.20 km) |
| Menderes to Orte | 827.73 mi (1,332.10 km) |
| Menderes to Ortona | 727.29 mi (1,170.46 km) |
| Menderes to Orvieto | 846.12 mi (1,361.71 km) |
| Menderes to Orzinuovi | 1,010.92 mi (1,626.92 km) |
| Menderes to Osimo | 798.17 mi (1,284.53 km) |
| Menderes to Ospitaletto | 1,008.99 mi (1,623.82 km) |
| Menderes to Ostuni | 536.93 mi (864.11 km) |
| Menderes to Ottaviano | 697.01 mi (1,121.72 km) |
| Menderes to Ovada | 1,051.06 mi (1,691.52 km) |
| Menderes to Ozieri | 979.24 mi (1,575.93 km) |
| Menderes to Paceco | 792.16 mi (1,274.86 km) |
