| Sivrihisar to Orbetello | 1,077.94 mi (1,734.77 km) |
| Sivrihisar to Oria | 739.00 mi (1,189.31 km) |
| Sivrihisar to Oristano | 1,217.26 mi (1,959.00 km) |
| Sivrihisar to Orta Nova | 841.72 mi (1,354.61 km) |
| Sivrihisar to Orte | 1,018.43 mi (1,639.01 km) |
| Sivrihisar to Ortona | 915.46 mi (1,473.29 km) |
| Sivrihisar to Orvieto | 1,034.16 mi (1,664.32 km) |
| Sivrihisar to Orzinuovi | 1,171.63 mi (1,885.56 km) |
| Sivrihisar to Osimo | 973.16 mi (1,566.16 km) |
| Sivrihisar to Ospitaletto | 1,167.48 mi (1,878.88 km) |
| Sivrihisar to Ostuni | 742.11 mi (1,194.31 km) |
| Sivrihisar to Ottaviano | 904.72 mi (1,456.00 km) |
| Sivrihisar to Ovada | 1,223.37 mi (1,968.82 km) |
| Sivrihisar to Ozieri | 1,191.73 mi (1,917.91 km) |
| Sivrihisar to Paceco | 1,026.72 mi (1,652.34 km) |
