| Cities | Distance |
|---|---|
| Herdecke to Nottingham | 378.91 mi (609.80 km) |
| Herdecke to Nuneaton | 386.56 mi (622.12 km) |
| Herdecke to Oadby | 371.10 mi (597.23 km) |
| Herdecke to Oakengates | 429.07 mi (690.52 km) |
| Herdecke to Oakham | 357.83 mi (575.87 km) |
| Herdecke to Oldbury | 409.24 mi (658.61 km) |
| Herdecke to Oldham | 427.98 mi (688.76 km) |
| Herdecke to Ollerton | 377.93 mi (608.22 km) |
| Herdecke to Olton | 399.91 mi (643.59 km) |
| Herdecke to Omagh | 649.27 mi (1,044.90 km) |
| Herdecke to Ormesby | 418.88 mi (674.13 km) |
| Herdecke to Ormskirk | 458.82 mi (738.41 km) |
| Herdecke to Orpington | 316.13 mi (508.76 km) |
| Herdecke to Ossett | 409.85 mi (659.59 km) |
| Herdecke to Oswaldtwistle | 442.79 mi (712.61 km) |