| Siniscola to Oberkirch | 555.58 mi (894.12 km) |
| Siniscola to Obernburg am Main | 640.76 mi (1,031.21 km) |
| Siniscola to Obernkirchen | 808.31 mi (1,300.85 km) |
| Siniscola to Oberschleissheim | 538.27 mi (866.26 km) |
| Siniscola to Oberstdorf | 473.16 mi (761.48 km) |
| Siniscola to Obertraubling | 592.24 mi (953.11 km) |
| Siniscola to Obertshausen | 657.19 mi (1,057.64 km) |
| Siniscola to Oberursel | 667.49 mi (1,074.22 km) |
| Siniscola to Ochsenfurt | 627.33 mi (1,009.59 km) |
| Siniscola to Ochsenhausen | 518.20 mi (833.97 km) |
| Siniscola to Ochtrup | 812.34 mi (1,307.33 km) |
| Siniscola to Odenthal | 733.13 mi (1,179.85 km) |
| Siniscola to Oelde | 781.38 mi (1,257.51 km) |
| Siniscola to Oelsnitz | 690.38 mi (1,111.06 km) |
| Siniscola to Oer-Erkenschwick | 773.52 mi (1,244.86 km) |
