| Venaria Reale to Oberkirch | 237.02 mi (381.45 km) |
| Venaria Reale to Obernburg am Main | 333.84 mi (537.27 km) |
| Venaria Reale to Obernkirchen | 498.59 mi (802.40 km) |
| Venaria Reale to Oberschleissheim | 285.63 mi (459.68 km) |
| Venaria Reale to Oberstdorf | 202.64 mi (326.12 km) |
| Venaria Reale to Obertraubling | 340.89 mi (548.61 km) |
| Venaria Reale to Obertshausen | 346.54 mi (557.70 km) |
| Venaria Reale to Oberursel | 354.17 mi (569.99 km) |
| Venaria Reale to Ochsenfurt | 333.22 mi (536.26 km) |
| Venaria Reale to Ochsenhausen | 231.87 mi (373.17 km) |
| Venaria Reale to Ochtrup | 490.21 mi (788.92 km) |
| Venaria Reale to Odenthal | 409.49 mi (659.01 km) |
| Venaria Reale to Oelde | 464.67 mi (747.82 km) |
| Venaria Reale to Oelsnitz | 422.21 mi (679.49 km) |
| Venaria Reale to Oer-Erkenschwick | 451.21 mi (726.15 km) |
