| Haydock to Oberkirch | 577.37 mi (929.18 km) |
| Haydock to Obernburg am Main | 563.68 mi (907.15 km) |
| Haydock to Obernkirchen | 497.65 mi (800.88 km) |
| Haydock to Oberschleissheim | 715.79 mi (1,151.95 km) |
| Haydock to Oberstdorf | 704.99 mi (1,134.58 km) |
| Haydock to Obertraubling | 711.32 mi (1,144.75 km) |
| Haydock to Obertshausen | 543.93 mi (875.37 km) |
| Haydock to Oberursel | 529.39 mi (851.97 km) |
| Haydock to Ochsenfurt | 605.89 mi (975.08 km) |
| Haydock to Ochsenhausen | 663.77 mi (1,068.23 km) |
| Haydock to Ochtrup | 419.96 mi (675.85 km) |
| Haydock to Odenthal | 446.02 mi (717.80 km) |
| Haydock to Oelde | 466.52 mi (750.79 km) |
| Haydock to Oelsnitz | 664.35 mi (1,069.17 km) |
| Haydock to Oer-Erkenschwick | 434.65 mi (699.50 km) |
