| Perama to Oberkirch | 1,064.02 mi (1,712.38 km) |
| Perama to Obernburg am Main | 1,086.46 mi (1,748.49 km) |
| Perama to Obernkirchen | 1,208.61 mi (1,945.07 km) |
| Perama to Oberschleissheim | 931.14 mi (1,498.52 km) |
| Perama to Oberstdorf | 936.21 mi (1,506.68 km) |
| Perama to Obertraubling | 948.74 mi (1,526.85 km) |
| Perama to Obertshausen | 1,107.18 mi (1,781.83 km) |
| Perama to Oberursel | 1,121.92 mi (1,805.55 km) |
| Perama to Ochsenfurt | 1,047.77 mi (1,686.22 km) |
| Perama to Ochsenhausen | 977.40 mi (1,572.98 km) |
| Perama to Ochtrup | 1,261.22 mi (2,029.74 km) |
| Perama to Odenthal | 1,207.85 mi (1,943.85 km) |
| Perama to Oelde | 1,214.26 mi (1,954.16 km) |
| Perama to Oelsnitz | 1,026.44 mi (1,651.90 km) |
| Perama to Oer-Erkenschwick | 1,232.22 mi (1,983.06 km) |
