| Ianca to Holbeach | 1,342.95 mi (2,161.27 km) |
| Ianca to Holborn | 1,332.47 mi (2,144.40 km) |
| Ianca to Hollinwood | 1,440.66 mi (2,318.52 km) |
| Ianca to Holyhead | 1,539.08 mi (2,476.91 km) |
| Ianca to Holywell | 1,481.20 mi (2,383.76 km) |
| Ianca to Honiton | 1,459.88 mi (2,349.45 km) |
| Ianca to Horbury | 1,419.16 mi (2,283.92 km) |
| Ianca to Horley | 1,331.67 mi (2,143.12 km) |
| Ianca to Hornchurch | 1,318.98 mi (2,122.69 km) |
| Ianca to Horndean | 1,365.16 mi (2,197.01 km) |
| Ianca to Hornsey | 1,333.34 mi (2,145.80 km) |
| Ianca to Horsell | 1,349.76 mi (2,172.23 km) |
| Ianca to Horsforth | 1,425.32 mi (2,293.84 km) |
| Ianca to Horsham | 1,337.29 mi (2,152.16 km) |
| Ianca to Horwich | 1,457.60 mi (2,345.79 km) |
