| Bad Rappenau to Obernburg am Main | 41.96 mi (67.53 km) |
| Bad Rappenau to Obernkirchen | 209.57 mi (337.27 km) |
| Bad Rappenau to Oberschleissheim | 131.32 mi (211.34 km) |
| Bad Rappenau to Oberstdorf | 137.15 mi (220.72 km) |
| Bad Rappenau to Obertraubling | 139.96 mi (225.24 km) |
| Bad Rappenau to Obertshausen | 58.81 mi (94.64 km) |
| Bad Rappenau to Oberursel | 70.98 mi (114.23 km) |
| Bad Rappenau to Ochsenfurt | 52.11 mi (83.86 km) |
| Bad Rappenau to Ochsenhausen | 89.07 mi (143.35 km) |
| Bad Rappenau to Ochtrup | 221.69 mi (356.77 km) |
| Bad Rappenau to Odenthal | 152.25 mi (245.02 km) |
| Bad Rappenau to Oelde | 184.42 mi (296.79 km) |
| Bad Rappenau to Oelsnitz | 159.26 mi (256.31 km) |
| Bad Rappenau to Oer-Erkenschwick | 185.25 mi (298.14 km) |
| Bad Rappenau to Oerlinghausen | 189.81 mi (305.47 km) |
