| Giffnock to Dover (New Jersey) | 3,231.79 mi (5,201.07 km) |
| Giffnock to Dover (Ohio) | 3,508.81 mi (5,646.88 km) |
| Giffnock to Downers Grove (Illinois) | 3,685.42 mi (5,931.11 km) |
| Giffnock to Downey (California) | 5,122.32 mi (8,243.58 km) |
| Giffnock to Dranesville (Virginia) | 3,429.52 mi (5,519.28 km) |
| Giffnock to Draper (Utah) | 4,554.05 mi (7,329.03 km) |
| Giffnock to Drexel Heights (Arizona) | 5,000.06 mi (8,046.81 km) |
| Giffnock to Drexel Hill (Pennsylvania) | 3,304.83 mi (5,318.61 km) |
| Giffnock to Duarte (California) | 5,103.76 mi (8,213.71 km) |
| Giffnock to Dublin (California) | 5,012.14 mi (8,066.26 km) |
| Giffnock to Dublin (Georgia) | 3,968.47 mi (6,386.64 km) |
| Giffnock to Dublin (Ohio) | 3,591.10 mi (5,779.31 km) |
| Giffnock to Dubuque (Iowa) | 3,745.96 mi (6,028.54 km) |
| Giffnock to Duluth (Georgia) | 3,938.24 mi (6,337.99 km) |
| Giffnock to Duluth (Minnesota) | 3,585.19 mi (5,769.80 km) |
