| Rijeka to Obernburg am Main | 397.56 mi (639.82 km) |
| Rijeka to Obernkirchen | 536.84 mi (863.96 km) |
| Rijeka to Oberschleissheim | 243.42 mi (391.75 km) |
| Rijeka to Oberstdorf | 245.04 mi (394.36 km) |
| Rijeka to Obertraubling | 273.14 mi (439.58 km) |
| Rijeka to Obertshausen | 418.37 mi (673.30 km) |
| Rijeka to Oberursel | 432.94 mi (696.75 km) |
| Rijeka to Ochsenfurt | 361.69 mi (582.08 km) |
| Rijeka to Ochsenhausen | 285.04 mi (458.73 km) |
| Rijeka to Ochtrup | 578.08 mi (930.33 km) |
| Rijeka to Odenthal | 518.43 mi (834.33 km) |
| Rijeka to Oelde | 533.19 mi (858.09 km) |
| Rijeka to Oelsnitz | 367.06 mi (590.73 km) |
| Rijeka to Oer-Erkenschwick | 546.08 mi (878.83 km) |
| Rijeka to Oerlinghausen | 528.70 mi (850.85 km) |
