| Giffnock to Hicksville (New York) | 3,198.27 mi (5,147.13 km) |
| Giffnock to Hidalgo (Texas) | 4,890.31 mi (7,870.19 km) |
| Giffnock to High Point (North Carolina) | 3,678.87 mi (5,920.58 km) |
| Giffnock to Highland (California) | 5,082.50 mi (8,179.49 km) |
| Giffnock to Highland (Illinois) | 3,898.32 mi (6,273.75 km) |
| Giffnock to Highland (Indiana) | 3,677.57 mi (5,918.48 km) |
| Giffnock to Highland (Utah) | 4,555.86 mi (7,331.95 km) |
| Giffnock to Highland City (Florida) | 4,170.33 mi (6,711.50 km) |
| Giffnock to Highland Park (Illinois) | 3,658.84 mi (5,888.33 km) |
| Giffnock to Highland Park (New Jersey) | 3,245.15 mi (5,222.57 km) |
| Giffnock to Highland Springs (Virginia) | 3,499.18 mi (5,631.38 km) |
| Giffnock to Highland Village (Texas) | 4,463.83 mi (7,183.84 km) |
| Giffnock to Highlands Ranch (Colorado) | 4,386.99 mi (7,060.18 km) |
| Giffnock to Hillcrest (California) | 5,063.21 mi (8,148.45 km) |
| Giffnock to Hillcrest Heights (Maryland) | 3,421.90 mi (5,507.02 km) |
