| Signal Hill to Ashtabula (Ohio) | 2,095.95 mi (3,373.11 km) |
| Signal Hill to Ashwaubenon (Wisconsin) | 1,759.48 mi (2,831.60 km) |
| Signal Hill to Aspen Hill (Maryland) | 2,292.81 mi (3,689.92 km) |
| Signal Hill to Astoria (Oregon) | 905.48 mi (1,457.24 km) |
| Signal Hill to Atascadero (California) | 184.25 mi (296.51 km) |
| Signal Hill to Atascocita (Texas) | 1,370.32 mi (2,205.32 km) |
| Signal Hill to Atchison (Kansas) | 1,332.44 mi (2,144.36 km) |
| Signal Hill to Athens (Alabama) | 1,776.09 mi (2,858.34 km) |
| Signal Hill to Athens (Georgia) | 1,986.47 mi (3,196.92 km) |
| Signal Hill to Athens (Ohio) | 2,023.88 mi (3,257.11 km) |
| Signal Hill to Athens (Tennessee) | 1,902.44 mi (3,061.69 km) |
| Signal Hill to Athens (Texas) | 1,296.41 mi (2,086.36 km) |
| Signal Hill to Atlanta (Georgia) | 1,929.08 mi (3,104.55 km) |
| Signal Hill to Atlantic Beach (Florida) | 2,153.94 mi (3,466.43 km) |
| Signal Hill to Atlantic City (New Jersey) | 2,431.63 mi (3,913.33 km) |
