| Giszowiec to Oberkirch | 507.28 mi (816.40 km) |
| Giszowiec to Obernburg am Main | 440.98 mi (709.69 km) |
| Giszowiec to Obernkirchen | 452.18 mi (727.71 km) |
| Giszowiec to Oberschleissheim | 364.81 mi (587.10 km) |
| Giszowiec to Oberstdorf | 444.44 mi (715.26 km) |
| Giszowiec to Obertraubling | 321.02 mi (516.63 km) |
| Giszowiec to Obertshausen | 452.86 mi (728.81 km) |
| Giszowiec to Oberursel | 463.38 mi (745.74 km) |
| Giszowiec to Ochsenfurt | 401.97 mi (646.91 km) |
| Giszowiec to Ochsenhausen | 437.94 mi (704.80 km) |
| Giszowiec to Ochtrup | 531.04 mi (854.63 km) |
| Giszowiec to Odenthal | 526.02 mi (846.55 km) |
| Giszowiec to Oelde | 486.54 mi (783.01 km) |
| Giszowiec to Oelsnitz | 304.52 mi (490.08 km) |
| Giszowiec to Oer-Erkenschwick | 522.98 mi (841.66 km) |
