| Cities | Distance |
|---|
| Halden to Nottingham | 645.94 mi (1,039.55 km) |
| Halden to Nuneaton | 676.74 mi (1,089.11 km) |
| Halden to Oadby | 661.80 mi (1,065.06 km) |
| Halden to Oakengates | 696.66 mi (1,121.17 km) |
| Halden to Oakham | 648.49 mi (1,043.65 km) |
| Halden to Oldbury | 693.36 mi (1,115.85 km) |
| Halden to Oldham | 646.15 mi (1,039.88 km) |
| Halden to Ollerton | 629.95 mi (1,013.81 km) |
| Halden to Olton | 690.71 mi (1,111.59 km) |
| Halden to Omagh | 771.91 mi (1,242.27 km) |
| Halden to Ormesby | 572.27 mi (920.98 km) |
| Halden to Ormskirk | 668.85 mi (1,076.41 km) |
| Halden to Orpington | 696.60 mi (1,121.06 km) |
| Halden to Ossett | 623.55 mi (1,003.51 km) |
| Halden to Oswaldtwistle | 645.57 mi (1,038.94 km) |
