| Ivrea to Oberkirch | 212.06 mi (341.28 km) |
| Ivrea to Obernburg am Main | 307.80 mi (495.36 km) |
| Ivrea to Obernkirchen | 473.13 mi (761.43 km) |
| Ivrea to Oberschleissheim | 259.53 mi (417.68 km) |
| Ivrea to Oberstdorf | 176.38 mi (283.86 km) |
| Ivrea to Obertraubling | 314.54 mi (506.20 km) |
| Ivrea to Obertshausen | 320.88 mi (516.40 km) |
| Ivrea to Oberursel | 328.83 mi (529.20 km) |
| Ivrea to Ochsenfurt | 306.49 mi (493.25 km) |
| Ivrea to Ochsenhausen | 204.96 mi (329.86 km) |
| Ivrea to Ochtrup | 466.60 mi (750.92 km) |
| Ivrea to Odenthal | 386.14 mi (621.43 km) |
| Ivrea to Oelde | 440.02 mi (708.14 km) |
| Ivrea to Oelsnitz | 395.32 mi (636.20 km) |
| Ivrea to Oer-Erkenschwick | 427.59 mi (688.13 km) |
