| Cities | Distance |
|---|---|
| Hamm to Nottingham | 388.46 mi (625.17 km) |
| Hamm to Nuneaton | 398.00 mi (640.53 km) |
| Hamm to Oadby | 382.11 mi (614.95 km) |
| Hamm to Oakengates | 440.11 mi (708.29 km) |
| Hamm to Oakham | 368.39 mi (592.87 km) |
| Hamm to Oldbury | 420.89 mi (677.35 km) |
| Hamm to Oldham | 435.70 mi (701.20 km) |
| Hamm to Ollerton | 386.36 mi (621.79 km) |
| Hamm to Olton | 411.77 mi (662.67 km) |
| Hamm to Omagh | 656.07 mi (1,055.85 km) |
| Hamm to Ormesby | 422.01 mi (679.15 km) |
| Hamm to Ormskirk | 466.89 mi (751.38 km) |
| Hamm to Orpington | 332.29 mi (534.77 km) |
| Hamm to Ossett | 416.70 mi (670.61 km) |
| Hamm to Oswaldtwistle | 449.95 mi (724.12 km) |