| Signal Hill to Dallas (Oregon) | 815.48 mi (1,312.39 km) |
| Signal Hill to Dallas (Texas) | 1,235.68 mi (1,988.63 km) |
| Signal Hill to Dalton (Georgia) | 1,887.61 mi (3,037.81 km) |
| Signal Hill to Daly City (California) | 360.66 mi (580.43 km) |
| Signal Hill to Damascus (Maryland) | 2,285.97 mi (3,678.92 km) |
| Signal Hill to Damascus (Oregon) | 834.18 mi (1,342.49 km) |
| Signal Hill to Dana Point (California) | 35.42 mi (57.00 km) |
| Signal Hill to Danbury (Connecticut) | 2,474.08 mi (3,981.65 km) |
| Signal Hill to Dania Beach (Florida) | 2,323.83 mi (3,739.85 km) |
| Signal Hill to Danville (California) | 349.37 mi (562.25 km) |
| Signal Hill to Danville (Illinois) | 1,733.31 mi (2,789.50 km) |
| Signal Hill to Danville (Indiana) | 1,790.04 mi (2,880.80 km) |
| Signal Hill to Danville (Kentucky) | 1,881.65 mi (3,028.23 km) |
| Signal Hill to Danville (Virginia) | 2,182.17 mi (3,511.86 km) |
| Signal Hill to Daphne (Alabama) | 1,777.59 mi (2,860.75 km) |
