| Llantwit Major to Haines City (Florida) | 4,230.41 mi (6,808.18 km) |
| Llantwit Major to Halawa (Hawaii) | 7,174.53 mi (11,546.29 km) |
| Llantwit Major to Half Moon Bay (California) | 5,276.42 mi (8,491.57 km) |
| Llantwit Major to Halfway (Maryland) | 3,528.23 mi (5,678.13 km) |
| Llantwit Major to Hallandale Beach (Florida) | 4,273.54 mi (6,877.60 km) |
| Llantwit Major to Haltom City (Texas) | 4,637.16 mi (7,462.79 km) |
| Llantwit Major to Ham Lake (Minnesota) | 3,878.77 mi (6,242.27 km) |
| Llantwit Major to Hamilton (Ohio) | 3,814.04 mi (6,138.10 km) |
| Llantwit Major to Hamilton Square (New Jersey) | 3,373.25 mi (5,428.72 km) |
| Llantwit Major to Hammond (Indiana) | 3,828.43 mi (6,161.26 km) |
| Llantwit Major to Hammond (Louisiana) | 4,480.39 mi (7,210.49 km) |
| Llantwit Major to Hammonton (New Jersey) | 3,402.46 mi (5,475.73 km) |
| Llantwit Major to Hampton (Virginia) | 3,583.85 mi (5,767.65 km) |
| Llantwit Major to Hampton Bays (New York) | 3,257.62 mi (5,242.63 km) |
| Llantwit Major to Hamtramck (Michigan) | 3,619.75 mi (5,825.43 km) |
