| Horsforth to Dover (New Jersey) | 3,367.49 mi (5,419.45 km) |
| Horsforth to Dover (Ohio) | 3,652.17 mi (5,877.60 km) |
| Horsforth to Downers Grove (Illinois) | 3,837.17 mi (6,175.33 km) |
| Horsforth to Downey (California) | 5,289.96 mi (8,513.36 km) |
| Horsforth to Dranesville (Virginia) | 3,565.46 mi (5,738.05 km) |
| Horsforth to Draper (Utah) | 4,721.38 mi (7,598.33 km) |
| Horsforth to Drexel Heights (Arizona) | 5,162.54 mi (8,308.31 km) |
| Horsforth to Drexel Hill (Pennsylvania) | 3,439.77 mi (5,535.78 km) |
| Horsforth to Duarte (California) | 5,271.39 mi (8,483.49 km) |
| Horsforth to Dublin (California) | 5,182.44 mi (8,340.32 km) |
| Horsforth to Dublin (Georgia) | 4,101.62 mi (6,600.93 km) |
| Horsforth to Dublin (Ohio) | 3,735.68 mi (6,012.00 km) |
| Horsforth to Dubuque (Iowa) | 3,900.90 mi (6,277.90 km) |
| Horsforth to Duluth (Georgia) | 4,075.21 mi (6,558.41 km) |
| Horsforth to Duluth (Minnesota) | 3,745.67 mi (6,028.08 km) |
