| Giffnock to Haverhill (Massachusetts) | 3,011.42 mi (4,846.41 km) |
| Giffnock to Havre de Grace (Maryland) | 3,355.02 mi (5,399.38 km) |
| Giffnock to Hawaiian Gardens (California) | 5,126.81 mi (8,250.80 km) |
| Giffnock to Hawaiian Paradise Park (Hawaii) | 6,952.68 mi (11,189.25 km) |
| Giffnock to Hawthorne (California) | 5,130.30 mi (8,256.42 km) |
| Giffnock to Hawthorne (New Jersey) | 3,213.14 mi (5,171.06 km) |
| Giffnock to Hayden (Idaho) | 4,291.20 mi (6,906.02 km) |
| Giffnock to Hayesville (Oregon) | 4,615.72 mi (7,428.29 km) |
| Giffnock to Hays (Kansas) | 4,232.51 mi (6,811.57 km) |
| Giffnock to Haysville (Kansas) | 4,234.17 mi (6,814.23 km) |
| Giffnock to Hayward (California) | 5,022.19 mi (8,082.44 km) |
| Giffnock to Hazel Crest (Illinois) | 3,684.66 mi (5,929.88 km) |
| Giffnock to Hazel Dell (Washington) | 4,566.62 mi (7,349.26 km) |
| Giffnock to Hazel Park (Michigan) | 3,474.69 mi (5,591.97 km) |
| Giffnock to Hazelwood (Missouri) | 3,922.27 mi (6,312.28 km) |
