| West Boldon to Oberkirch | 600.89 mi (967.04 km) |
| West Boldon to Obernburg am Main | 567.76 mi (913.72 km) |
| West Boldon to Obernkirchen | 470.17 mi (756.66 km) |
| West Boldon to Oberschleissheim | 723.04 mi (1,163.62 km) |
| West Boldon to Oberstdorf | 725.36 mi (1,167.36 km) |
| West Boldon to Obertraubling | 709.67 mi (1,142.11 km) |
| West Boldon to Obertshausen | 547.09 mi (880.46 km) |
| West Boldon to Oberursel | 532.34 mi (856.71 km) |
| West Boldon to Ochsenfurt | 607.27 mi (977.31 km) |
| West Boldon to Ochsenhausen | 680.61 mi (1,095.34 km) |
| West Boldon to Ochtrup | 401.13 mi (645.55 km) |
| West Boldon to Odenthal | 446.40 mi (718.41 km) |
| West Boldon to Oelde | 449.36 mi (723.18 km) |
| West Boldon to Oelsnitz | 648.68 mi (1,043.95 km) |
| West Boldon to Oer-Erkenschwick | 424.90 mi (683.81 km) |
