| Signal Hill to Duluth (Minnesota) | 1,626.70 mi (2,617.92 km) |
| Signal Hill to Dumas (Texas) | 928.81 mi (1,494.78 km) |
| Signal Hill to Dumont (New Jersey) | 2,448.52 mi (3,940.52 km) |
| Signal Hill to Duncan (Oklahoma) | 1,156.58 mi (1,861.34 km) |
| Signal Hill to Duncanville (Texas) | 1,228.95 mi (1,977.81 km) |
| Signal Hill to Dundalk (Maryland) | 2,323.42 mi (3,739.18 km) |
| Signal Hill to Dunedin (Florida) | 2,124.13 mi (3,418.45 km) |
| Signal Hill to Dunkirk (New York) | 2,173.07 mi (3,497.22 km) |
| Signal Hill to Dunmore (Pennsylvania) | 2,363.41 mi (3,803.55 km) |
| Signal Hill to Dunwoody (Georgia) | 1,933.25 mi (3,111.26 km) |
| Signal Hill to Durango (Colorado) | 625.64 mi (1,006.86 km) |
| Signal Hill to Durant (Oklahoma) | 1,246.53 mi (2,006.10 km) |
| Signal Hill to Durham (North Carolina) | 2,215.42 mi (3,565.37 km) |
| Signal Hill to Dyer (Indiana) | 1,748.84 mi (2,814.49 km) |
| Signal Hill to Dyersburg (Tennessee) | 1,632.38 mi (2,627.06 km) |
