| Castel Goffredo to Oberkirch | 250.38 mi (402.95 km) |
| Castel Goffredo to Obernburg am Main | 319.90 mi (514.83 km) |
| Castel Goffredo to Obernkirchen | 485.39 mi (781.16 km) |
| Castel Goffredo to Oberschleissheim | 210.39 mi (338.59 km) |
| Castel Goffredo to Oberstdorf | 146.20 mi (235.28 km) |
| Castel Goffredo to Obertraubling | 265.58 mi (427.41 km) |
| Castel Goffredo to Obertshausen | 338.19 mi (544.26 km) |
| Castel Goffredo to Oberursel | 350.17 mi (563.54 km) |
| Castel Goffredo to Ochsenfurt | 301.29 mi (484.88 km) |
| Castel Goffredo to Ochsenhausen | 193.29 mi (311.07 km) |
| Castel Goffredo to Ochtrup | 500.03 mi (804.72 km) |
| Castel Goffredo to Odenthal | 425.30 mi (684.45 km) |
| Castel Goffredo to Oelde | 463.82 mi (746.44 km) |
| Castel Goffredo to Oelsnitz | 362.23 mi (582.95 km) |
| Castel Goffredo to Oer-Erkenschwick | 462.43 mi (744.21 km) |
