| Siracusa to Oberkirch | 871.27 mi (1,402.18 km) |
| Siracusa to Obernburg am Main | 933.87 mi (1,502.92 km) |
| Siracusa to Obernkirchen | 1,091.92 mi (1,757.28 km) |
| Siracusa to Oberschleissheim | 795.06 mi (1,279.52 km) |
| Siracusa to Oberstdorf | 758.58 mi (1,220.82 km) |
| Siracusa to Obertraubling | 836.76 mi (1,346.64 km) |
| Siracusa to Obertshausen | 953.50 mi (1,534.50 km) |
| Siracusa to Oberursel | 966.55 mi (1,555.51 km) |
| Siracusa to Ochsenfurt | 907.38 mi (1,460.29 km) |
| Siracusa to Ochsenhausen | 806.81 mi (1,298.43 km) |
| Siracusa to Ochtrup | 1,117.35 mi (1,798.20 km) |
| Siracusa to Odenthal | 1,045.12 mi (1,681.96 km) |
| Siracusa to Oelde | 1,077.86 mi (1,734.65 km) |
| Siracusa to Oelsnitz | 935.06 mi (1,504.84 km) |
| Siracusa to Oer-Erkenschwick | 1,080.76 mi (1,739.32 km) |
