| Cities | Distance |
|---|---|
| Den Helder to Nottingham | 245.59 mi (395.23 km) |
| Den Helder to Nuneaton | 261.63 mi (421.06 km) |
| Den Helder to Oadby | 244.60 mi (393.65 km) |
| Den Helder to Oakengates | 301.04 mi (484.47 km) |
| Den Helder to Oakham | 229.71 mi (369.68 km) |
| Den Helder to Oldbury | 284.60 mi (458.01 km) |
| Den Helder to Oldham | 286.96 mi (461.82 km) |
| Den Helder to Ollerton | 240.20 mi (386.56 km) |
| Den Helder to Olton | 276.61 mi (445.16 km) |
| Den Helder to Omagh | 504.23 mi (811.47 km) |
| Den Helder to Ormesby | 266.76 mi (429.31 km) |
| Den Helder to Ormskirk | 318.57 mi (512.69 km) |
| Den Helder to Orpington | 224.63 mi (361.51 km) |
| Den Helder to Ossett | 266.29 mi (428.54 km) |
| Den Helder to Oswaldtwistle | 299.81 mi (482.50 km) |