| Cities | Distance |
|---|---|
| Highgate to Nottingham | 104.50 mi (168.18 km) |
| Highgate to Nuneaton | 86.50 mi (139.21 km) |
| Highgate to Oadby | 81.24 mi (130.74 km) |
| Highgate to Oakengates | 124.85 mi (200.93 km) |
| Highgate to Oakham | 79.93 mi (128.63 km) |
| Highgate to Oldbury | 102.38 mi (164.77 km) |
| Highgate to Oldham | 159.49 mi (256.68 km) |
| Highgate to Ollerton | 118.41 mi (190.56 km) |
| Highgate to Olton | 92.58 mi (149.00 km) |
| Highgate to Omagh | 362.26 mi (583.01 km) |
| Highgate to Ormesby | 210.18 mi (338.26 km) |
| Highgate to Ormskirk | 179.58 mi (289.01 km) |
| Highgate to Orpington | 17.20 mi (27.69 km) |
| Highgate to Ossett | 157.61 mi (253.66 km) |
| Highgate to Oswaldtwistle | 177.14 mi (285.08 km) |