| Altunhisar to Orbetello | 1,255.43 mi (2,020.42 km) |
| Altunhisar to Oria | 910.64 mi (1,465.53 km) |
| Altunhisar to Oristano | 1,386.60 mi (2,231.52 km) |
| Altunhisar to Orta Nova | 1,016.66 mi (1,636.16 km) |
| Altunhisar to Orte | 1,196.22 mi (1,925.12 km) |
| Altunhisar to Ortona | 1,093.46 mi (1,759.76 km) |
| Altunhisar to Orvieto | 1,212.54 mi (1,951.40 km) |
| Altunhisar to Orzinuovi | 1,353.78 mi (2,178.70 km) |
| Altunhisar to Osimo | 1,153.56 mi (1,856.48 km) |
| Altunhisar to Ospitaletto | 1,349.76 mi (2,172.23 km) |
| Altunhisar to Ostuni | 914.93 mi (1,472.44 km) |
| Altunhisar to Ottaviano | 1,077.44 mi (1,733.97 km) |
| Altunhisar to Ovada | 1,404.55 mi (2,260.41 km) |
| Altunhisar to Ozieri | 1,363.44 mi (2,194.24 km) |
| Altunhisar to Paceco | 1,185.48 mi (1,907.85 km) |
