| Duchcov to Obernburg am Main | 210.26 mi (338.39 km) |
| Duchcov to Obernkirchen | 230.03 mi (370.19 km) |
| Duchcov to Oberschleissheim | 189.84 mi (305.52 km) |
| Duchcov to Oberstdorf | 270.86 mi (435.91 km) |
| Duchcov to Obertraubling | 133.32 mi (214.55 km) |
| Duchcov to Obertshausen | 219.79 mi (353.72 km) |
| Duchcov to Oberursel | 229.28 mi (369.00 km) |
| Duchcov to Ochsenfurt | 175.79 mi (282.90 km) |
| Duchcov to Ochsenhausen | 244.56 mi (393.58 km) |
| Duchcov to Ochtrup | 303.34 mi (488.18 km) |
| Duchcov to Odenthal | 290.81 mi (468.02 km) |
| Duchcov to Oelde | 256.58 mi (412.92 km) |
| Duchcov to Oelsnitz | 70.60 mi (113.63 km) |
| Duchcov to Oer-Erkenschwick | 290.57 mi (467.63 km) |
| Duchcov to Oerlinghausen | 238.79 mi (384.29 km) |
