| Boscoreale to Oberkirch | 621.51 mi (1,000.23 km) |
| Boscoreale to Obernburg am Main | 678.09 mi (1,091.28 km) |
| Boscoreale to Obernkirchen | 833.92 mi (1,342.06 km) |
| Boscoreale to Oberschleissheim | 536.54 mi (863.47 km) |
| Boscoreale to Oberstdorf | 503.99 mi (811.09 km) |
| Boscoreale to Obertraubling | 577.67 mi (929.67 km) |
| Boscoreale to Obertshausen | 698.05 mi (1,123.41 km) |
| Boscoreale to Oberursel | 711.46 mi (1,144.98 km) |
| Boscoreale to Ochsenfurt | 650.04 mi (1,046.14 km) |
| Boscoreale to Ochsenhausen | 551.90 mi (888.20 km) |
| Boscoreale to Ochtrup | 862.10 mi (1,387.41 km) |
| Boscoreale to Odenthal | 791.92 mi (1,274.48 km) |
| Boscoreale to Oelde | 821.45 mi (1,322.00 km) |
| Boscoreale to Oelsnitz | 676.00 mi (1,087.92 km) |
| Boscoreale to Oer-Erkenschwick | 826.22 mi (1,329.67 km) |
