| Llantwit Major to Hazleton (Pennsylvania) | 3,396.61 mi (5,466.32 km) |
| Llantwit Major to Healdsburg (California) | 5,223.48 mi (8,406.38 km) |
| Llantwit Major to Heath (Ohio) | 3,700.20 mi (5,954.90 km) |
| Llantwit Major to Heber (Utah) | 4,753.25 mi (7,649.61 km) |
| Llantwit Major to Helena (Alabama) | 4,196.50 mi (6,753.62 km) |
| Llantwit Major to Helena (Montana) | 4,452.08 mi (7,164.93 km) |
| Llantwit Major to Hemet (California) | 5,311.82 mi (8,548.55 km) |
| Llantwit Major to Henderson (Kentucky) | 4,006.73 mi (6,448.20 km) |
| Llantwit Major to Henderson (Nevada) | 5,119.20 mi (8,238.56 km) |
| Llantwit Major to Henderson (North Carolina) | 3,702.64 mi (5,958.82 km) |
| Llantwit Major to Henderson (Texas) | 4,572.76 mi (7,359.15 km) |
| Llantwit Major to Hendersonville (North Carolina) | 3,916.82 mi (6,303.51 km) |
| Llantwit Major to Hendersonville (Tennessee) | 4,039.83 mi (6,501.48 km) |
| Llantwit Major to Hercules (California) | 5,240.11 mi (8,433.14 km) |
| Llantwit Major to Hereford (Texas) | 4,731.33 mi (7,614.34 km) |
