| Signal Hill to Delaware (Ohio) | 1,972.84 mi (3,174.97 km) |
| Signal Hill to Delhi (California) | 290.27 mi (467.15 km) |
| Signal Hill to Delray Beach (Florida) | 2,317.68 mi (3,729.95 km) |
| Signal Hill to Deltona (Florida) | 2,194.73 mi (3,532.08 km) |
| Signal Hill to Deming (New Mexico) | 612.35 mi (985.48 km) |
| Signal Hill to Denison (Texas) | 1,237.37 mi (1,991.36 km) |
| Signal Hill to Dent (Ohio) | 1,886.83 mi (3,036.56 km) |
| Signal Hill to Denton (Texas) | 1,209.88 mi (1,947.11 km) |
| Signal Hill to Dentsville (South Carolina) | 2,121.21 mi (3,413.75 km) |
| Signal Hill to Denver (Colorado) | 841.66 mi (1,354.53 km) |
| Signal Hill to Depew (New York) | 2,206.51 mi (3,551.04 km) |
| Signal Hill to Derby (Connecticut) | 2,494.41 mi (4,014.37 km) |
| Signal Hill to Derby (Kansas) | 1,199.33 mi (1,930.13 km) |
| Signal Hill to Des Moines (Iowa) | 1,439.79 mi (2,317.12 km) |
| Signal Hill to Des Moines (Washington) | 963.38 mi (1,550.41 km) |
