| Koszeg to Oberkirch | 399.63 mi (643.14 km) |
| Koszeg to Obernburg am Main | 378.52 mi (609.18 km) |
| Koszeg to Obernkirchen | 472.52 mi (760.45 km) |
| Koszeg to Oberschleissheim | 238.91 mi (384.50 km) |
| Koszeg to Oberstdorf | 293.32 mi (472.06 km) |
| Koszeg to Obertraubling | 229.74 mi (369.73 km) |
| Koszeg to Obertshausen | 397.46 mi (639.65 km) |
| Koszeg to Oberursel | 411.74 mi (662.64 km) |
| Koszeg to Ochsenfurt | 335.50 mi (539.93 km) |
| Koszeg to Ochsenhausen | 310.52 mi (499.73 km) |
| Koszeg to Ochtrup | 533.55 mi (858.67 km) |
| Koszeg to Odenthal | 494.48 mi (795.79 km) |
| Koszeg to Oelde | 485.39 mi (781.16 km) |
| Koszeg to Oelsnitz | 289.12 mi (465.29 km) |
| Koszeg to Oer-Erkenschwick | 510.03 mi (820.82 km) |
