| Adelfia to Oberkirch | 674.78 mi (1,085.96 km) |
| Adelfia to Obernburg am Main | 715.66 mi (1,151.75 km) |
| Adelfia to Obernkirchen | 859.71 mi (1,383.57 km) |
| Adelfia to Oberschleissheim | 564.34 mi (908.21 km) |
| Adelfia to Oberstdorf | 549.64 mi (884.56 km) |
| Adelfia to Obertraubling | 596.09 mi (959.31 km) |
| Adelfia to Obertshausen | 736.33 mi (1,185.01 km) |
| Adelfia to Oberursel | 750.58 mi (1,207.94 km) |
| Adelfia to Ochsenfurt | 682.21 mi (1,097.90 km) |
| Adelfia to Ochsenhausen | 595.17 mi (957.84 km) |
| Adelfia to Ochtrup | 898.46 mi (1,445.93 km) |
| Adelfia to Odenthal | 834.74 mi (1,343.39 km) |
| Adelfia to Oelde | 854.56 mi (1,375.28 km) |
| Adelfia to Oelsnitz | 688.66 mi (1,108.29 km) |
| Adelfia to Oer-Erkenschwick | 865.07 mi (1,392.20 km) |
