| Bad Pyrmont to Obernburg am Main | 148.42 mi (238.86 km) |
| Bad Pyrmont to Obernkirchen | 20.29 mi (32.65 km) |
| Bad Pyrmont to Oberschleissheim | 277.58 mi (446.71 km) |
| Bad Pyrmont to Oberstdorf | 319.47 mi (514.14 km) |
| Bad Pyrmont to Obertraubling | 244.62 mi (393.68 km) |
| Bad Pyrmont to Obertshausen | 133.97 mi (215.60 km) |
| Bad Pyrmont to Oberursel | 126.77 mi (204.02 km) |
| Bad Pyrmont to Ochsenfurt | 165.21 mi (265.88 km) |
| Bad Pyrmont to Ochsenhausen | 272.16 mi (438.00 km) |
| Bad Pyrmont to Ochtrup | 89.29 mi (143.70 km) |
| Bad Pyrmont to Odenthal | 113.41 mi (182.51 km) |
| Bad Pyrmont to Oelde | 48.63 mi (78.27 km) |
| Bad Pyrmont to Oelsnitz | 166.00 mi (267.15 km) |
| Bad Pyrmont to Oer-Erkenschwick | 89.21 mi (143.56 km) |
| Bad Pyrmont to Oerlinghausen | 25.44 mi (40.94 km) |
