| Borehamwood to Nottingham | 96.88 mi (155.92 km) |
| Borehamwood to Nuneaton | 78.42 mi (126.21 km) |
| Borehamwood to Oadby | 73.41 mi (118.14 km) |
| Borehamwood to Oakengates | 116.86 mi (188.06 km) |
| Borehamwood to Oakham | 72.65 mi (116.91 km) |
| Borehamwood to Oldbury | 94.38 mi (151.88 km) |
| Borehamwood to Oldham | 151.59 mi (243.96 km) |
| Borehamwood to Ollerton | 111.11 mi (178.82 km) |
| Borehamwood to Olton | 84.55 mi (136.08 km) |
| Borehamwood to Omagh | 354.29 mi (570.18 km) |
| Borehamwood to Ormesby | 203.30 mi (327.18 km) |
| Borehamwood to Ormskirk | 171.51 mi (276.02 km) |
| Borehamwood to Orpington | 25.27 mi (40.67 km) |
| Borehamwood to Ossett | 150.07 mi (241.52 km) |
| Borehamwood to Oswaldtwistle | 169.22 mi (272.33 km) |
