| Alpu to Oberkirch | 1,278.32 mi (2,057.25 km) |
| Alpu to Obernburg am Main | 1,268.43 mi (2,041.34 km) |
| Alpu to Obernkirchen | 1,348.31 mi (2,169.90 km) |
| Alpu to Oberschleissheim | 1,122.79 mi (1,806.96 km) |
| Alpu to Oberstdorf | 1,156.53 mi (1,861.25 km) |
| Alpu to Obertraubling | 1,119.73 mi (1,802.03 km) |
| Alpu to Obertshausen | 1,287.47 mi (2,071.98 km) |
| Alpu to Oberursel | 1,301.75 mi (2,094.97 km) |
| Alpu to Ochsenfurt | 1,225.49 mi (1,972.23 km) |
| Alpu to Ochsenhausen | 1,186.88 mi (1,910.10 km) |
| Alpu to Ochtrup | 1,417.22 mi (2,280.79 km) |
| Alpu to Odenthal | 1,384.00 mi (2,227.33 km) |
| Alpu to Oelde | 1,369.10 mi (2,203.35 km) |
| Alpu to Oelsnitz | 1,169.36 mi (1,881.90 km) |
| Alpu to Oer-Erkenschwick | 1,397.09 mi (2,248.40 km) |
