| Signal Hill to Altus (Oklahoma) | 1,077.54 mi (1,734.14 km) |
| Signal Hill to Alum Rock (California) | 320.74 mi (516.18 km) |
| Signal Hill to Alvin (Texas) | 1,377.22 mi (2,216.42 km) |
| Signal Hill to Amarillo (Texas) | 934.14 mi (1,503.35 km) |
| Signal Hill to Amelia (Ohio) | 1,910.22 mi (3,074.20 km) |
| Signal Hill to American Canyon (California) | 379.02 mi (609.97 km) |
| Signal Hill to American Fork (Utah) | 573.89 mi (923.58 km) |
| Signal Hill to Americus (Georgia) | 1,963.03 mi (3,159.19 km) |
| Signal Hill to Ames (Iowa) | 1,447.05 mi (2,328.80 km) |
| Signal Hill to Amherst (Ohio) | 2,020.32 mi (3,251.39 km) |
| Signal Hill to Ammon (Idaho) | 747.05 mi (1,202.26 km) |
| Signal Hill to Amsterdam (New York) | 2,434.81 mi (3,918.45 km) |
| Signal Hill to Anacortes (Washington) | 1,040.36 mi (1,674.30 km) |
| Signal Hill to Anaheim (California) | 18.01 mi (28.98 km) |
| Signal Hill to Anchorage (Alaska) | 2,333.97 mi (3,756.16 km) |
