| Orvieto to Oberkirch | 446.26 mi (718.18 km) |
| Orvieto to Obernburg am Main | 511.97 mi (823.93 km) |
| Orvieto to Obernkirchen | 674.19 mi (1,085.00 km) |
| Orvieto to Oberschleissheim | 383.11 mi (616.55 km) |
| Orvieto to Oberstdorf | 336.21 mi (541.08 km) |
| Orvieto to Obertraubling | 431.67 mi (694.70 km) |
| Orvieto to Obertshausen | 531.06 mi (854.66 km) |
| Orvieto to Oberursel | 543.66 mi (874.93 km) |
| Orvieto to Ochsenfurt | 488.76 mi (786.58 km) |
| Orvieto to Ochsenhausen | 384.46 mi (618.73 km) |
| Orvieto to Ochtrup | 694.22 mi (1,117.24 km) |
| Orvieto to Odenthal | 620.68 mi (998.88 km) |
| Orvieto to Oelde | 656.32 mi (1,056.25 km) |
| Orvieto to Oelsnitz | 531.91 mi (856.03 km) |
| Orvieto to Oer-Erkenschwick | 657.09 mi (1,057.48 km) |
