| Feltham to Oberkirch | 427.30 mi (687.67 km) |
| Feltham to Obernburg am Main | 432.61 mi (696.22 km) |
| Feltham to Obernkirchen | 410.12 mi (660.03 km) |
| Feltham to Oberschleissheim | 576.65 mi (928.03 km) |
| Feltham to Oberstdorf | 554.73 mi (892.74 km) |
| Feltham to Obertraubling | 581.13 mi (935.24 km) |
| Feltham to Obertshausen | 414.80 mi (667.55 km) |
| Feltham to Oberursel | 401.24 mi (645.74 km) |
| Feltham to Ochsenfurt | 475.95 mi (765.96 km) |
| Feltham to Ochsenhausen | 517.19 mi (832.33 km) |
| Feltham to Ochtrup | 328.52 mi (528.70 km) |
| Feltham to Odenthal | 326.64 mi (525.68 km) |
| Feltham to Oelde | 367.73 mi (591.81 km) |
| Feltham to Oelsnitz | 551.53 mi (887.60 km) |
| Feltham to Oer-Erkenschwick | 329.24 mi (529.86 km) |
