| Giffnock to Hanahan (South Carolina) | 3,836.20 mi (6,173.76 km) |
| Giffnock to Hanford (California) | 5,028.53 mi (8,092.64 km) |
| Giffnock to Hannibal (Missouri) | 3,911.38 mi (6,294.77 km) |
| Giffnock to Hanover (Pennsylvania) | 3,375.15 mi (5,431.78 km) |
| Giffnock to Hanover Park (Illinois) | 3,680.72 mi (5,923.55 km) |
| Giffnock to Happy Valley (Oregon) | 4,576.94 mi (7,365.87 km) |
| Giffnock to Harker Heights (Texas) | 4,595.44 mi (7,395.65 km) |
| Giffnock to Harlingen (Texas) | 4,865.48 mi (7,830.24 km) |
| Giffnock to Harper Woods (Michigan) | 3,469.64 mi (5,583.84 km) |
| Giffnock to Harrisburg (North Carolina) | 3,738.27 mi (6,016.16 km) |
| Giffnock to Harrisburg (Pennsylvania) | 3,348.99 mi (5,389.69 km) |
| Giffnock to Harrison (Arkansas) | 4,153.31 mi (6,684.11 km) |
| Giffnock to Harrison (New Jersey) | 3,223.15 mi (5,187.16 km) |
| Giffnock to Harrison (New York) | 3,193.37 mi (5,139.23 km) |
| Giffnock to Harrison (Ohio) | 3,694.12 mi (5,945.11 km) |
