| Key Largo to Hoddesdon | 4,472.17 mi (7,197.26 km) |
| Key Largo to Holbeach | 4,462.22 mi (7,181.25 km) |
| Key Largo to Holborn | 4,470.63 mi (7,194.78 km) |
| Key Largo to Hollinwood | 4,366.95 mi (7,027.93 km) |
| Key Largo to Holyhead | 4,266.45 mi (6,866.18 km) |
| Key Largo to Holywell | 4,324.64 mi (6,959.84 km) |
| Key Largo to Honiton | 4,345.86 mi (6,993.98 km) |
| Key Largo to Horbury | 4,389.69 mi (7,064.53 km) |
| Key Largo to Horley | 4,472.00 mi (7,196.98 km) |
| Key Largo to Hornchurch | 4,484.07 mi (7,216.41 km) |
| Key Largo to Horndean | 4,439.49 mi (7,144.67 km) |
| Key Largo to Hornsey | 4,469.71 mi (7,193.30 km) |
| Key Largo to Horsell | 4,453.66 mi (7,167.47 km) |
| Key Largo to Horsforth | 4,384.69 mi (7,056.48 km) |
| Key Largo to Horsham | 4,466.70 mi (7,188.46 km) |
