| Seregno to Oberkirch | 206.02 mi (331.56 km) |
| Seregno to Obernburg am Main | 289.51 mi (465.93 km) |
| Seregno to Obernkirchen | 457.16 mi (735.73 km) |
| Seregno to Oberschleissheim | 211.47 mi (340.34 km) |
| Seregno to Oberstdorf | 131.96 mi (212.37 km) |
| Seregno to Obertraubling | 267.92 mi (431.17 km) |
| Seregno to Obertshausen | 305.64 mi (491.87 km) |
| Seregno to Oberursel | 315.92 mi (508.42 km) |
| Seregno to Ochsenfurt | 279.30 mi (449.48 km) |
| Seregno to Ochsenhausen | 171.05 mi (275.27 km) |
| Seregno to Ochtrup | 462.00 mi (743.51 km) |
| Seregno to Odenthal | 384.02 mi (618.01 km) |
| Seregno to Oelde | 429.88 mi (691.83 km) |
| Seregno to Oelsnitz | 356.66 mi (573.98 km) |
| Seregno to Oer-Erkenschwick | 423.43 mi (681.45 km) |
