| London Colney to Haines City (Florida) | 4,359.99 mi (7,016.72 km) |
| London Colney to Halawa (Hawaii) | 7,207.37 mi (11,599.14 km) |
| London Colney to Half Moon Bay (California) | 5,356.34 mi (8,620.20 km) |
| London Colney to Halfway (Maryland) | 3,650.59 mi (5,875.05 km) |
| London Colney to Hallandale Beach (Florida) | 4,405.25 mi (7,089.57 km) |
| London Colney to Haltom City (Texas) | 4,750.76 mi (7,645.61 km) |
| London Colney to Ham Lake (Minnesota) | 3,981.36 mi (6,407.37 km) |
| London Colney to Hamilton (Ohio) | 3,931.57 mi (6,327.25 km) |
| London Colney to Hamilton Square (New Jersey) | 3,497.09 mi (5,628.03 km) |
| London Colney to Hammond (Indiana) | 3,940.92 mi (6,342.30 km) |
| London Colney to Hammond (Louisiana) | 4,601.98 mi (7,406.17 km) |
| London Colney to Hammonton (New Jersey) | 3,526.83 mi (5,675.89 km) |
| London Colney to Hampton (Virginia) | 3,709.76 mi (5,970.28 km) |
| London Colney to Hampton Bays (New York) | 3,382.16 mi (5,443.07 km) |
| London Colney to Hamtramck (Michigan) | 3,734.87 mi (6,010.69 km) |
