| Aver-o-Mar to Oberkirch | 956.73 mi (1,539.71 km) |
| Aver-o-Mar to Obernburg am Main | 1,039.27 mi (1,672.55 km) |
| Aver-o-Mar to Obernkirchen | 1,124.96 mi (1,810.44 km) |
| Aver-o-Mar to Oberschleissheim | 1,098.60 mi (1,768.03 km) |
| Aver-o-Mar to Oberstdorf | 1,024.23 mi (1,648.34 km) |
| Aver-o-Mar to Obertraubling | 1,140.40 mi (1,835.30 km) |
| Aver-o-Mar to Obertshausen | 1,034.51 mi (1,664.89 km) |
| Aver-o-Mar to Oberursel | 1,029.18 mi (1,656.30 km) |
| Aver-o-Mar to Ochsenfurt | 1,070.59 mi (1,722.95 km) |
| Aver-o-Mar to Ochsenhausen | 1,024.04 mi (1,648.03 km) |
| Aver-o-Mar to Ochtrup | 1,057.01 mi (1,701.10 km) |
| Aver-o-Mar to Odenthal | 1,005.82 mi (1,618.71 km) |
| Aver-o-Mar to Oelde | 1,074.11 mi (1,728.60 km) |
| Aver-o-Mar to Oelsnitz | 1,177.35 mi (1,894.76 km) |
| Aver-o-Mar to Oer-Erkenschwick | 1,035.25 mi (1,666.07 km) |
