| Giffnock to Grand Prairie (Texas) | 4,484.18 mi (7,216.58 km) |
| Giffnock to Grand Rapids (Michigan) | 3,543.32 mi (5,702.42 km) |
| Giffnock to Grand Rapids (Minnesota) | 3,609.53 mi (5,808.97 km) |
| Giffnock to Grand Terrace (California) | 5,091.73 mi (8,194.35 km) |
| Giffnock to Grandview (Missouri) | 4,065.39 mi (6,542.61 km) |
| Giffnock to Grandview (Washington) | 4,461.38 mi (7,179.91 km) |
| Giffnock to Grandville (Michigan) | 3,549.91 mi (5,713.03 km) |
| Giffnock to Granger (Indiana) | 3,620.42 mi (5,826.50 km) |
| Giffnock to Granite Bay (California) | 4,930.10 mi (7,934.22 km) |
| Giffnock to Granite City (Illinois) | 3,916.02 mi (6,302.22 km) |
| Giffnock to Grants Pass (Oregon) | 4,774.26 mi (7,683.43 km) |
| Giffnock to Grantsville (Utah) | 4,566.35 mi (7,348.83 km) |
| Giffnock to Grapevine (Texas) | 4,472.70 mi (7,198.12 km) |
| Giffnock to Grass Valley (California) | 4,899.54 mi (7,885.04 km) |
| Giffnock to Grayslake (Illinois) | 3,659.02 mi (5,888.63 km) |
