| Weimar to Oberkirch | 222.41 mi (357.93 km) |
| Weimar to Obernburg am Main | 124.14 mi (199.79 km) |
| Weimar to Obernkirchen | 129.43 mi (208.30 km) |
| Weimar to Oberschleissheim | 189.18 mi (304.46 km) |
| Weimar to Oberstdorf | 251.31 mi (404.44 km) |
| Weimar to Obertraubling | 144.42 mi (232.42 km) |
| Weimar to Obertshausen | 126.13 mi (202.98 km) |
| Weimar to Oberursel | 131.69 mi (211.94 km) |
| Weimar to Ochsenfurt | 107.36 mi (172.79 km) |
| Weimar to Ochsenhausen | 210.28 mi (338.42 km) |
| Weimar to Ochtrup | 196.18 mi (315.72 km) |
| Weimar to Odenthal | 182.60 mi (293.86 km) |
| Weimar to Oelde | 148.56 mi (239.09 km) |
| Weimar to Oelsnitz | 54.00 mi (86.91 km) |
| Weimar to Oer-Erkenschwick | 181.38 mi (291.90 km) |
