| Englefield Green to Oberkirch | 433.05 mi (696.93 km) |
| Englefield Green to Obernburg am Main | 439.16 mi (706.76 km) |
| Englefield Green to Obernkirchen | 417.19 mi (671.40 km) |
| Englefield Green to Oberschleissheim | 582.85 mi (938.01 km) |
| Englefield Green to Oberstdorf | 560.39 mi (901.85 km) |
| Englefield Green to Obertraubling | 587.63 mi (945.70 km) |
| Englefield Green to Obertshausen | 421.42 mi (678.20 km) |
| Englefield Green to Oberursel | 407.90 mi (656.45 km) |
| Englefield Green to Ochsenfurt | 482.51 mi (776.52 km) |
| Englefield Green to Ochsenhausen | 523.08 mi (841.81 km) |
| Englefield Green to Ochtrup | 335.58 mi (540.06 km) |
| Englefield Green to Odenthal | 333.53 mi (536.76 km) |
| Englefield Green to Oelde | 374.78 mi (603.15 km) |
| Englefield Green to Oelsnitz | 558.40 mi (898.66 km) |
| Englefield Green to Oer-Erkenschwick | 336.27 mi (541.18 km) |
