| Middelkerke to Nottingham | 208.16 mi (335.01 km) |
| Middelkerke to Nuneaton | 204.96 mi (329.85 km) |
| Middelkerke to Oadby | 192.67 mi (310.07 km) |
| Middelkerke to Oakengates | 247.47 mi (398.27 km) |
| Middelkerke to Oakham | 182.86 mi (294.28 km) |
| Middelkerke to Oldbury | 225.59 mi (363.05 km) |
| Middelkerke to Oldham | 264.38 mi (425.49 km) |
| Middelkerke to Ollerton | 214.03 mi (344.45 km) |
| Middelkerke to Olton | 215.65 mi (347.06 km) |
| Middelkerke to Omagh | 482.04 mi (775.76 km) |
| Middelkerke to Ormesby | 286.06 mi (460.37 km) |
| Middelkerke to Ormskirk | 291.43 mi (469.01 km) |
| Middelkerke to Orpington | 118.30 mi (190.39 km) |
| Middelkerke to Ossett | 253.03 mi (407.21 km) |
| Middelkerke to Oswaldtwistle | 281.63 mi (453.24 km) |
