| Cities | Distance |
|---|---|
| Boom to Holbeach | 220.12 mi (354.24 km) |
| Boom to Holborn | 195.85 mi (315.19 km) |
| Boom to Hollinwood | 322.27 mi (518.65 km) |
| Boom to Holyhead | 410.64 mi (660.87 km) |
| Boom to Holywell | 355.17 mi (571.58 km) |
| Boom to Honiton | 329.43 mi (530.16 km) |
| Boom to Horbury | 306.63 mi (493.47 km) |
| Boom to Horley | 196.87 mi (316.83 km) |
| Boom to Hornchurch | 182.30 mi (293.38 km) |
| Boom to Horndean | 233.43 mi (375.68 km) |
| Boom to Hornsey | 196.66 mi (316.50 km) |
| Boom to Horsell | 213.97 mi (344.36 km) |
| Boom to Horsforth | 316.38 mi (509.17 km) |
| Boom to Horsham | 203.65 mi (327.75 km) |
| Boom to Horwich | 338.99 mi (545.55 km) |