| Giffnock to Dardenne Prairie (Missouri) | 3,936.48 mi (6,335.16 km) |
| Giffnock to Darien (Illinois) | 3,686.65 mi (5,933.09 km) |
| Giffnock to Davenport (Iowa) | 3,789.64 mi (6,098.84 km) |
| Giffnock to Davidson (North Carolina) | 3,736.21 mi (6,012.85 km) |
| Giffnock to Davie (Florida) | 4,210.21 mi (6,775.68 km) |
| Giffnock to Davis (California) | 4,958.21 mi (7,979.46 km) |
| Giffnock to Dayton (Nevada) | 4,854.86 mi (7,813.15 km) |
| Giffnock to Dayton (Ohio) | 3,646.44 mi (5,868.38 km) |
| Giffnock to Daytona Beach (Florida) | 4,074.30 mi (6,556.96 km) |
| Giffnock to De Pere (Wisconsin) | 3,558.45 mi (5,726.77 km) |
| Giffnock to De Witt (New York) | 3,188.39 mi (5,131.22 km) |
| Giffnock to Dearborn (Michigan) | 3,486.10 mi (5,610.33 km) |
| Giffnock to Dearborn Heights (Michigan) | 3,488.25 mi (5,613.80 km) |
| Giffnock to DeBary (Florida) | 4,099.93 mi (6,598.19 km) |
| Giffnock to Decatur (Alabama) | 4,015.46 mi (6,462.25 km) |
