| Caversham to Oberkirch | 449.97 mi (724.16 km) |
| Caversham to Obernburg am Main | 456.69 mi (734.98 km) |
| Caversham to Obernkirchen | 433.69 mi (697.95 km) |
| Caversham to Oberschleissheim | 600.19 mi (965.92 km) |
| Caversham to Oberstdorf | 577.19 mi (928.90 km) |
| Caversham to Obertraubling | 605.14 mi (973.89 km) |
| Caversham to Obertshausen | 438.96 mi (706.43 km) |
| Caversham to Oberursel | 425.44 mi (684.68 km) |
| Caversham to Ochsenfurt | 500.04 mi (804.73 km) |
| Caversham to Ochsenhausen | 540.14 mi (869.27 km) |
| Caversham to Ochtrup | 352.04 mi (566.56 km) |
| Caversham to Odenthal | 350.96 mi (564.81 km) |
| Caversham to Oelde | 391.66 mi (630.32 km) |
| Caversham to Oelsnitz | 575.84 mi (926.73 km) |
| Caversham to Oer-Erkenschwick | 353.32 mi (568.61 km) |
