| Piedras Blancas to Oberkirch | 755.16 mi (1,215.31 km) |
| Piedras Blancas to Obernburg am Main | 835.22 mi (1,344.16 km) |
| Piedras Blancas to Obernkirchen | 918.97 mi (1,478.94 km) |
| Piedras Blancas to Oberschleissheim | 901.02 mi (1,450.05 km) |
| Piedras Blancas to Oberstdorf | 829.28 mi (1,334.60 km) |
| Piedras Blancas to Obertraubling | 940.70 mi (1,513.91 km) |
| Piedras Blancas to Obertshausen | 829.89 mi (1,335.58 km) |
| Piedras Blancas to Oberursel | 824.22 mi (1,326.45 km) |
| Piedras Blancas to Ochsenfurt | 867.52 mi (1,396.14 km) |
| Piedras Blancas to Ochsenhausen | 825.84 mi (1,329.06 km) |
| Piedras Blancas to Ochtrup | 851.38 mi (1,370.16 km) |
| Piedras Blancas to Odenthal | 799.83 mi (1,287.20 km) |
| Piedras Blancas to Oelde | 868.12 mi (1,397.10 km) |
| Piedras Blancas to Oelsnitz | 973.90 mi (1,567.34 km) |
| Piedras Blancas to Oer-Erkenschwick | 829.31 mi (1,334.64 km) |
