| Horley to Dover (New Jersey) | 3,481.93 mi (5,603.63 km) |
| Horley to Dover (Ohio) | 3,777.36 mi (6,079.08 km) |
| Horley to Downers Grove (Illinois) | 3,975.27 mi (6,397.58 km) |
| Horley to Downey (California) | 5,457.31 mi (8,782.69 km) |
| Horley to Dranesville (Virginia) | 3,679.82 mi (5,922.10 km) |
| Horley to Draper (Utah) | 4,888.25 mi (7,866.88 km) |
| Horley to Drexel Heights (Arizona) | 5,318.59 mi (8,559.44 km) |
| Horley to Drexel Hill (Pennsylvania) | 3,552.97 mi (5,717.96 km) |
| Horley to Duarte (California) | 5,438.74 mi (8,752.81 km) |
| Horley to Dublin (California) | 5,357.34 mi (8,621.81 km) |
| Horley to Dublin (Georgia) | 4,210.90 mi (6,776.79 km) |
| Horley to Dublin (Ohio) | 3,862.60 mi (6,216.25 km) |
| Horley to Dubuque (Iowa) | 4,044.24 mi (6,508.58 km) |
| Horley to Duluth (Georgia) | 4,190.10 mi (6,743.31 km) |
| Horley to Duluth (Minnesota) | 3,899.02 mi (6,274.86 km) |
