| Signal Hill to Arroyo Grande (California) | 165.16 mi (265.80 km) |
| Signal Hill to Artesia (California) | 6.72 mi (10.82 km) |
| Signal Hill to Artesia (New Mexico) | 795.44 mi (1,280.13 km) |
| Signal Hill to Artondale (Washington) | 961.37 mi (1,547.17 km) |
| Signal Hill to Arvada (Colorado) | 830.57 mi (1,336.68 km) |
| Signal Hill to Arvin (California) | 103.27 mi (166.20 km) |
| Signal Hill to Asbury Lake (Florida) | 2,138.23 mi (3,441.15 km) |
| Signal Hill to Asbury Park (New Jersey) | 2,450.49 mi (3,943.68 km) |
| Signal Hill to Ashburn (Virginia) | 2,272.29 mi (3,656.90 km) |
| Signal Hill to Asheboro (North Carolina) | 2,167.38 mi (3,488.07 km) |
| Signal Hill to Asheville (North Carolina) | 2,016.08 mi (3,244.56 km) |
| Signal Hill to Ashland (California) | 348.19 mi (560.36 km) |
| Signal Hill to Ashland (Kentucky) | 1,995.73 mi (3,211.82 km) |
| Signal Hill to Ashland (Ohio) | 2,014.08 mi (3,241.35 km) |
| Signal Hill to Ashland (Oregon) | 629.60 mi (1,013.24 km) |
