| Staines-upon-Thames to Oberkirch | 430.85 mi (693.39 km) |
| Staines-upon-Thames to Obernburg am Main | 436.72 mi (702.83 km) |
| Staines-upon-Thames to Obernkirchen | 414.65 mi (667.31 km) |
| Staines-upon-Thames to Oberschleissheim | 580.51 mi (934.25 km) |
| Staines-upon-Thames to Oberstdorf | 558.21 mi (898.36 km) |
| Staines-upon-Thames to Obertraubling | 585.20 mi (941.79 km) |
| Staines-upon-Thames to Obertshausen | 418.95 mi (674.24 km) |
| Staines-upon-Thames to Oberursel | 405.43 mi (652.47 km) |
| Staines-upon-Thames to Ochsenfurt | 480.06 mi (772.59 km) |
| Staines-upon-Thames to Ochsenhausen | 520.83 mi (838.20 km) |
| Staines-upon-Thames to Ochtrup | 333.04 mi (535.98 km) |
| Staines-upon-Thames to Odenthal | 331.00 mi (532.69 km) |
| Staines-upon-Thames to Oelde | 372.23 mi (599.05 km) |
| Staines-upon-Thames to Oelsnitz | 555.88 mi (894.60 km) |
| Staines-upon-Thames to Oer-Erkenschwick | 333.72 mi (537.07 km) |
