| Giffnock to Dixon (Illinois) | 3,735.24 mi (6,011.29 km) |
| Giffnock to Dobbs Ferry (New York) | 3,199.60 mi (5,149.25 km) |
| Giffnock to Doctor Phillips (Florida) | 4,129.53 mi (6,645.84 km) |
| Giffnock to Dodge City (Kansas) | 4,316.32 mi (6,946.44 km) |
| Giffnock to Dolton (Illinois) | 3,678.61 mi (5,920.15 km) |
| Giffnock to Donna (Texas) | 4,881.19 mi (7,855.51 km) |
| Giffnock to Dorado (Puerto Rico) | 4,088.56 mi (6,579.89 km) |
| Giffnock to Doral (Florida) | 4,227.15 mi (6,802.95 km) |
| Giffnock to Doraville (Georgia) | 3,947.94 mi (6,353.59 km) |
| Giffnock to Dothan (Alabama) | 4,131.25 mi (6,648.61 km) |
| Giffnock to Douglas (Arizona) | 4,994.49 mi (8,037.85 km) |
| Giffnock to Douglas (Georgia) | 4,019.66 mi (6,469.01 km) |
| Giffnock to Douglasville (Georgia) | 3,973.13 mi (6,394.13 km) |
| Giffnock to Dover (Delaware) | 3,351.22 mi (5,393.27 km) |
| Giffnock to Dover (New Hampshire) | 2,985.26 mi (4,804.32 km) |
