| Clervaux to Oberkirch | 139.69 mi (224.81 km) |
| Clervaux to Obernburg am Main | 138.95 mi (223.61 km) |
| Clervaux to Obernkirchen | 203.23 mi (327.06 km) |
| Clervaux to Oberschleissheim | 279.19 mi (449.32 km) |
| Clervaux to Oberstdorf | 265.86 mi (427.86 km) |
| Clervaux to Obertraubling | 285.11 mi (458.83 km) |
| Clervaux to Obertshausen | 124.20 mi (199.88 km) |
| Clervaux to Oberursel | 113.16 mi (182.11 km) |
| Clervaux to Ochsenfurt | 181.78 mi (292.55 km) |
| Clervaux to Ochsenhausen | 223.75 mi (360.09 km) |
| Clervaux to Ochtrup | 157.15 mi (252.92 km) |
| Clervaux to Odenthal | 82.94 mi (133.47 km) |
| Clervaux to Oelde | 153.85 mi (247.60 km) |
| Clervaux to Oelsnitz | 272.18 mi (438.03 km) |
| Clervaux to Oer-Erkenschwick | 122.16 mi (196.59 km) |
