| Signal Hill to Anoka (Minnesota) | 1,528.85 mi (2,460.44 km) |
| Signal Hill to Ansonia (Connecticut) | 2,495.10 mi (4,015.47 km) |
| Signal Hill to Antelope (California) | 383.13 mi (616.59 km) |
| Signal Hill to Anthem (Arizona) | 347.29 mi (558.91 km) |
| Signal Hill to Antioch (California) | 352.74 mi (567.68 km) |
| Signal Hill to Antioch (Illinois) | 1,730.75 mi (2,785.37 km) |
| Signal Hill to Apache Junction (Arizona) | 382.68 mi (615.87 km) |
| Signal Hill to Apex (North Carolina) | 2,219.43 mi (3,571.83 km) |
| Signal Hill to Apollo Beach (Florida) | 2,152.67 mi (3,464.38 km) |
| Signal Hill to Apopka (Florida) | 2,180.96 mi (3,509.91 km) |
| Signal Hill to Apple Valley (California) | 74.52 mi (119.93 km) |
| Signal Hill to Apple Valley (Minnesota) | 1,525.55 mi (2,455.13 km) |
| Signal Hill to Appleton (Wisconsin) | 1,741.66 mi (2,802.93 km) |
| Signal Hill to Arbutus (Maryland) | 2,312.98 mi (3,722.38 km) |
| Signal Hill to Arcadia (California) | 24.08 mi (38.75 km) |
