| Heilbad Heiligenstadt to Nottingham | 490.06 mi (788.68 km) |
| Heilbad Heiligenstadt to Nuneaton | 499.98 mi (804.64 km) |
| Heilbad Heiligenstadt to Oadby | 484.05 mi (779.00 km) |
| Heilbad Heiligenstadt to Oakengates | 542.04 mi (872.33 km) |
| Heilbad Heiligenstadt to Oakham | 470.27 mi (756.83 km) |
| Heilbad Heiligenstadt to Oldbury | 522.87 mi (841.48 km) |
| Heilbad Heiligenstadt to Oldham | 536.42 mi (863.28 km) |
| Heilbad Heiligenstadt to Ollerton | 487.52 mi (784.59 km) |
| Heilbad Heiligenstadt to Olton | 513.75 mi (826.81 km) |
| Heilbad Heiligenstadt to Omagh | 755.88 mi (1,216.47 km) |
| Heilbad Heiligenstadt to Ormesby | 518.76 mi (834.86 km) |
| Heilbad Heiligenstadt to Ormskirk | 567.75 mi (913.71 km) |
| Heilbad Heiligenstadt to Orpington | 432.67 mi (696.31 km) |
| Heilbad Heiligenstadt to Ossett | 516.89 mi (831.85 km) |
| Heilbad Heiligenstadt to Oswaldtwistle | 550.28 mi (885.58 km) |
