| Isola del Liri to Oberkirch | 543.64 mi (874.91 km) |
| Isola del Liri to Obernburg am Main | 602.67 mi (969.91 km) |
| Isola del Liri to Obernkirchen | 760.67 mi (1,224.18 km) |
| Isola del Liri to Oberschleissheim | 464.41 mi (747.40 km) |
| Isola del Liri to Oberstdorf | 427.75 mi (688.40 km) |
| Isola del Liri to Obertraubling | 508.03 mi (817.59 km) |
| Isola del Liri to Obertshausen | 622.42 mi (1,001.69 km) |
| Isola del Liri to Oberursel | 635.62 mi (1,022.93 km) |
| Isola del Liri to Ochsenfurt | 575.98 mi (926.95 km) |
| Isola del Liri to Ochsenhausen | 475.88 mi (765.85 km) |
| Isola del Liri to Ochtrup | 786.39 mi (1,265.58 km) |
| Isola del Liri to Odenthal | 715.20 mi (1,151.01 km) |
| Isola del Liri to Oelde | 746.53 mi (1,201.42 km) |
| Isola del Liri to Oelsnitz | 607.41 mi (977.54 km) |
| Isola del Liri to Oer-Erkenschwick | 750.12 mi (1,207.20 km) |
