| Karlsdorf-Neuthard to Obernburg am Main | 55.52 mi (89.35 km) |
| Karlsdorf-Neuthard to Obernkirchen | 217.71 mi (350.38 km) |
| Karlsdorf-Neuthard to Oberschleissheim | 150.84 mi (242.75 km) |
| Karlsdorf-Neuthard to Oberstdorf | 143.52 mi (230.98 km) |
| Karlsdorf-Neuthard to Obertraubling | 164.47 mi (264.68 km) |
| Karlsdorf-Neuthard to Obertshausen | 65.57 mi (105.53 km) |
| Karlsdorf-Neuthard to Oberursel | 73.73 mi (118.66 km) |
| Karlsdorf-Neuthard to Ochsenfurt | 77.13 mi (124.12 km) |
| Karlsdorf-Neuthard to Ochsenhausen | 97.58 mi (157.04 km) |
| Karlsdorf-Neuthard to Ochtrup | 220.18 mi (354.34 km) |
| Karlsdorf-Neuthard to Odenthal | 145.53 mi (234.21 km) |
| Karlsdorf-Neuthard to Oelde | 187.14 mi (301.17 km) |
| Karlsdorf-Neuthard to Oelsnitz | 184.24 mi (296.50 km) |
| Karlsdorf-Neuthard to Oer-Erkenschwick | 182.26 mi (293.31 km) |
| Karlsdorf-Neuthard to Oerlinghausen | 195.63 mi (314.83 km) |
