| Westhoughton to Oberkirch | 575.78 mi (926.63 km) |
| Westhoughton to Obernburg am Main | 560.76 mi (902.46 km) |
| Westhoughton to Obernkirchen | 492.76 mi (793.03 km) |
| Westhoughton to Oberschleissheim | 713.23 mi (1,147.83 km) |
| Westhoughton to Oberstdorf | 703.31 mi (1,131.87 km) |
| Westhoughton to Obertraubling | 708.18 mi (1,139.70 km) |
| Westhoughton to Obertshausen | 540.93 mi (870.54 km) |
| Westhoughton to Oberursel | 526.35 mi (847.08 km) |
| Westhoughton to Ochsenfurt | 602.85 mi (970.19 km) |
| Westhoughton to Ochsenhausen | 661.80 mi (1,065.07 km) |
| Westhoughton to Ochtrup | 415.42 mi (668.56 km) |
| Westhoughton to Odenthal | 442.69 mi (712.44 km) |
| Westhoughton to Oelde | 462.17 mi (743.78 km) |
| Westhoughton to Oelsnitz | 660.31 mi (1,062.67 km) |
| Westhoughton to Oer-Erkenschwick | 430.67 mi (693.10 km) |
