| Bootle to Oberkirch | 588.11 mi (946.47 km) |
| Bootle to Obernburg am Main | 575.71 mi (926.52 km) |
| Bootle to Obernkirchen | 510.98 mi (822.35 km) |
| Bootle to Oberschleissheim | 727.49 mi (1,170.79 km) |
| Bootle to Oberstdorf | 715.82 mi (1,152.00 km) |
| Bootle to Obertraubling | 723.53 mi (1,164.41 km) |
| Bootle to Obertshausen | 556.04 mi (894.86 km) |
| Bootle to Oberursel | 541.53 mi (871.51 km) |
| Bootle to Ochsenfurt | 618.03 mi (994.62 km) |
| Bootle to Ochsenhausen | 674.89 mi (1,086.13 km) |
| Bootle to Ochtrup | 433.13 mi (697.06 km) |
| Bootle to Odenthal | 458.42 mi (737.75 km) |
| Bootle to Oelde | 479.60 mi (771.84 km) |
| Bootle to Oelsnitz | 677.23 mi (1,089.89 km) |
| Bootle to Oer-Erkenschwick | 447.50 mi (720.19 km) |
