| Giffnock to Decatur (Georgia) | 3,955.97 mi (6,366.52 km) |
| Giffnock to Decatur (Illinois) | 3,815.58 mi (6,140.58 km) |
| Giffnock to Deer Park (New York) | 3,190.63 mi (5,134.82 km) |
| Giffnock to Deer Park (Texas) | 4,577.68 mi (7,367.06 km) |
| Giffnock to Deerfield (Illinois) | 3,661.15 mi (5,892.05 km) |
| Giffnock to Deerfield Beach (Florida) | 4,191.84 mi (6,746.12 km) |
| Giffnock to Defiance (Ohio) | 3,578.44 mi (5,758.94 km) |
| Giffnock to DeForest (Wisconsin) | 3,661.67 mi (5,892.89 km) |
| Giffnock to DeKalb (Illinois) | 3,704.81 mi (5,962.31 km) |
| Giffnock to Del Aire (California) | 5,130.85 mi (8,257.30 km) |
| Giffnock to Del City (Oklahoma) | 4,350.25 mi (7,001.05 km) |
| Giffnock to Del Rio (Texas) | 4,804.96 mi (7,732.83 km) |
| Giffnock to DeLand (Florida) | 4,091.01 mi (6,583.85 km) |
| Giffnock to Delano (California) | 5,049.73 mi (8,126.75 km) |
| Giffnock to Delaware (Ohio) | 3,579.89 mi (5,761.27 km) |
