| Ziar nad Hronom to Oberkirch | 492.45 mi (792.53 km) |
| Ziar nad Hronom to Obernburg am Main | 446.85 mi (719.14 km) |
| Ziar nad Hronom to Obernkirchen | 498.05 mi (801.53 km) |
| Ziar nad Hronom to Oberschleissheim | 335.16 mi (539.38 km) |
| Ziar nad Hronom to Oberstdorf | 404.75 mi (651.39 km) |
| Ziar nad Hronom to Obertraubling | 305.84 mi (492.20 km) |
| Ziar nad Hronom to Obertshausen | 462.65 mi (744.56 km) |
| Ziar nad Hronom to Oberursel | 475.38 mi (765.05 km) |
| Ziar nad Hronom to Ochsenfurt | 404.20 mi (650.50 km) |
| Ziar nad Hronom to Ochsenhausen | 410.72 mi (660.99 km) |
| Ziar nad Hronom to Ochtrup | 570.82 mi (918.64 km) |
| Ziar nad Hronom to Odenthal | 549.61 mi (884.51 km) |
| Ziar nad Hronom to Oelde | 523.46 mi (842.43 km) |
| Ziar nad Hronom to Oelsnitz | 325.82 mi (524.36 km) |
| Ziar nad Hronom to Oer-Erkenschwick | 555.33 mi (893.72 km) |
