| Horley to Dumas (Texas) | 4,792.08 mi (7,712.10 km) |
| Horley to Dumont (New Jersey) | 3,456.14 mi (5,562.13 km) |
| Horley to Duncan (Oklahoma) | 4,709.13 mi (7,578.61 km) |
| Horley to Duncanville (Texas) | 4,767.75 mi (7,672.95 km) |
| Horley to Dundalk (Maryland) | 3,631.71 mi (5,844.67 km) |
| Horley to Dunedin (Florida) | 4,426.78 mi (7,124.22 km) |
| Horley to Dunkirk (New York) | 3,605.81 mi (5,802.99 km) |
| Horley to Dunmore (Pennsylvania) | 3,501.96 mi (5,635.86 km) |
| Horley to Dunwoody (Georgia) | 4,199.84 mi (6,758.99 km) |
| Horley to Durango (Colorado) | 4,929.00 mi (7,932.46 km) |
| Horley to Durant (Oklahoma) | 4,678.45 mi (7,529.23 km) |
| Horley to Durham (North Carolina) | 3,880.45 mi (6,244.99 km) |
| Horley to Dyer (Indiana) | 3,969.53 mi (6,388.34 km) |
| Horley to Dyersburg (Tennessee) | 4,301.77 mi (6,923.03 km) |
| Horley to Eagan (Minnesota) | 4,026.15 mi (6,479.46 km) |
