| Martinengo to Oberkirch | 219.52 mi (353.28 km) |
| Martinengo to Obernburg am Main | 296.43 mi (477.06 km) |
| Martinengo to Obernkirchen | 463.58 mi (746.06 km) |
| Martinengo to Oberschleissheim | 203.68 mi (327.79 km) |
| Martinengo to Oberstdorf | 129.39 mi (208.24 km) |
| Martinengo to Obertraubling | 260.14 mi (418.66 km) |
| Martinengo to Obertshausen | 313.67 mi (504.80 km) |
| Martinengo to Oberursel | 324.81 mi (522.73 km) |
| Martinengo to Ochsenfurt | 282.22 mi (454.18 km) |
| Martinengo to Ochsenhausen | 173.07 mi (278.53 km) |
| Martinengo to Ochtrup | 473.08 mi (761.35 km) |
| Martinengo to Odenthal | 396.55 mi (638.19 km) |
| Martinengo to Oelde | 438.93 mi (706.40 km) |
| Martinengo to Oelsnitz | 352.70 mi (567.61 km) |
| Martinengo to Oer-Erkenschwick | 434.92 mi (699.94 km) |
