| Signal Hill to Des Plaines (Illinois) | 1,734.28 mi (2,791.05 km) |
| Signal Hill to Desert Hot Springs (California) | 93.81 mi (150.98 km) |
| Signal Hill to DeSoto (Texas) | 1,232.33 mi (1,983.24 km) |
| Signal Hill to Destin (Florida) | 1,862.84 mi (2,997.95 km) |
| Signal Hill to Destrehan (Louisiana) | 1,647.34 mi (2,651.14 km) |
| Signal Hill to Detroit (Michigan) | 1,980.87 mi (3,187.90 km) |
| Signal Hill to Diamond Bar (California) | 24.32 mi (39.13 km) |
| Signal Hill to Diamond Springs (California) | 369.08 mi (593.98 km) |
| Signal Hill to Dickinson (North Dakota) | 1,209.41 mi (1,946.36 km) |
| Signal Hill to Dickinson (Texas) | 1,389.14 mi (2,235.60 km) |
| Signal Hill to Dickson (Tennessee) | 1,744.44 mi (2,807.40 km) |
| Signal Hill to Difficult Run (Virginia) | 2,279.54 mi (3,668.57 km) |
| Signal Hill to Dinuba (California) | 201.81 mi (324.79 km) |
| Signal Hill to Discovery Bay (California) | 342.42 mi (551.07 km) |
| Signal Hill to Dix Hills (New York) | 2,483.23 mi (3,996.38 km) |
