| Signal Hill to Abilene (Texas) | 1,069.01 mi (1,720.40 km) |
| Signal Hill to Accokeek (Maryland) | 2,299.23 mi (3,700.26 km) |
| Signal Hill to Acworth (Georgia) | 1,911.66 mi (3,076.52 km) |
| Signal Hill to Ada (Oklahoma) | 1,226.86 mi (1,974.45 km) |
| Signal Hill to Addison (Illinois) | 1,727.69 mi (2,780.45 km) |
| Signal Hill to Addison (Texas) | 1,229.97 mi (1,979.45 km) |
| Signal Hill to Adelanto (California) | 68.01 mi (109.45 km) |
| Signal Hill to Adelphi (Maryland) | 2,299.54 mi (3,700.76 km) |
| Signal Hill to Adrian (Michigan) | 1,929.55 mi (3,105.31 km) |
| Signal Hill to Affton (Missouri) | 1,580.63 mi (2,543.78 km) |
| Signal Hill to Agoura Hills (California) | 41.61 mi (66.97 km) |
| Signal Hill to Aguadilla (Puerto Rico) | 3,301.71 mi (5,313.59 km) |
| Signal Hill to Aiken (South Carolina) | 2,084.46 mi (3,354.62 km) |
| Signal Hill to Akron (Ohio) | 2,056.03 mi (3,308.86 km) |
| Signal Hill to Alabaster (Alabama) | 1,799.20 mi (2,895.53 km) |
