| Felixstowe to Oberkirch | 380.06 mi (611.65 km) |
| Felixstowe to Obernburg am Main | 369.55 mi (594.74 km) |
| Felixstowe to Obernkirchen | 330.02 mi (531.11 km) |
| Felixstowe to Oberschleissheim | 519.67 mi (836.33 km) |
| Felixstowe to Oberstdorf | 507.60 mi (816.90 km) |
| Felixstowe to Obertraubling | 518.17 mi (833.91 km) |
| Felixstowe to Obertshausen | 350.43 mi (563.97 km) |
| Felixstowe to Oberursel | 336.19 mi (541.05 km) |
| Felixstowe to Ochsenfurt | 412.41 mi (663.72 km) |
| Felixstowe to Ochsenhausen | 466.37 mi (750.56 km) |
| Felixstowe to Ochtrup | 248.40 mi (399.75 km) |
| Felixstowe to Odenthal | 256.10 mi (412.16 km) |
| Felixstowe to Oelde | 289.88 mi (466.52 km) |
| Felixstowe to Oelsnitz | 479.89 mi (772.31 km) |
| Felixstowe to Oer-Erkenschwick | 252.96 mi (407.09 km) |
