| Kastav to Obernburg am Main | 392.25 mi (631.27 km) |
| Kastav to Obernkirchen | 531.97 mi (856.13 km) |
| Kastav to Oberschleissheim | 238.22 mi (383.39 km) |
| Kastav to Oberstdorf | 239.49 mi (385.41 km) |
| Kastav to Obertraubling | 268.41 mi (431.96 km) |
| Kastav to Obertshausen | 413.06 mi (664.75 km) |
| Kastav to Oberursel | 427.62 mi (688.18 km) |
| Kastav to Ochsenfurt | 356.50 mi (573.72 km) |
| Kastav to Ochsenhausen | 279.52 mi (449.85 km) |
| Kastav to Ochtrup | 572.91 mi (922.01 km) |
| Kastav to Odenthal | 513.08 mi (825.72 km) |
| Kastav to Oelde | 528.09 mi (849.87 km) |
| Kastav to Oelsnitz | 362.68 mi (583.67 km) |
| Kastav to Oer-Erkenschwick | 540.83 mi (870.38 km) |
| Kastav to Oerlinghausen | 523.70 mi (842.81 km) |
