| Orpington to Oberkirch | 405.30 mi (652.27 km) |
| Orpington to Obernburg am Main | 410.14 mi (660.06 km) |
| Orpington to Obernkirchen | 389.84 mi (627.38 km) |
| Orpington to Oberschleissheim | 554.25 mi (891.97 km) |
| Orpington to Oberstdorf | 532.82 mi (857.50 km) |
| Orpington to Obertraubling | 558.65 mi (899.06 km) |
| Orpington to Obertshausen | 392.36 mi (631.44 km) |
| Orpington to Oberursel | 378.83 mi (609.66 km) |
| Orpington to Ochsenfurt | 453.48 mi (729.81 km) |
| Orpington to Ochsenhausen | 495.03 mi (796.67 km) |
| Orpington to Ochtrup | 308.35 mi (496.23 km) |
| Orpington to Odenthal | 304.61 mi (490.23 km) |
| Orpington to Oelde | 346.79 mi (558.10 km) |
| Orpington to Oelsnitz | 529.45 mi (852.07 km) |
| Orpington to Oer-Erkenschwick | 308.01 mi (495.69 km) |
