| Hassloch to Obernburg am Main | 52.34 mi (84.24 km) |
| Hassloch to Obernkirchen | 205.03 mi (329.97 km) |
| Hassloch to Oberschleissheim | 168.98 mi (271.95 km) |
| Hassloch to Oberstdorf | 163.22 mi (262.67 km) |
| Hassloch to Obertraubling | 178.95 mi (287.98 km) |
| Hassloch to Obertshausen | 55.96 mi (90.06 km) |
| Hassloch to Oberursel | 60.73 mi (97.74 km) |
| Hassloch to Ochsenfurt | 84.11 mi (135.36 km) |
| Hassloch to Ochsenhausen | 117.42 mi (188.97 km) |
| Hassloch to Ochtrup | 202.66 mi (326.14 km) |
| Hassloch to Odenthal | 126.65 mi (203.82 km) |
| Hassloch to Oelde | 171.64 mi (276.22 km) |
| Hassloch to Oelsnitz | 189.28 mi (304.61 km) |
| Hassloch to Oer-Erkenschwick | 164.35 mi (264.49 km) |
| Hassloch to Oerlinghausen | 181.71 mi (292.44 km) |
