| South San Francisco to Abilene (Texas) | 1,328.47 mi (2,137.97 km) |
| South San Francisco to Accokeek (Maryland) | 2,442.61 mi (3,931.00 km) |
| South San Francisco to Acworth (Georgia) | 2,114.18 mi (3,402.44 km) |
| South San Francisco to Ada (Oklahoma) | 1,444.78 mi (2,325.15 km) |
| South San Francisco to Addison (Illinois) | 1,837.98 mi (2,957.95 km) |
| South San Francisco to Addison (Texas) | 1,473.64 mi (2,371.59 km) |
| South San Francisco to Adelanto (California) | 349.65 mi (562.71 km) |
| South San Francisco to Adelphi (Maryland) | 2,439.59 mi (3,926.14 km) |
| South San Francisco to Adrian (Michigan) | 2,041.52 mi (3,285.51 km) |
| South San Francisco to Affton (Missouri) | 1,737.13 mi (2,795.65 km) |
| South San Francisco to Agoura Hills (California) | 316.96 mi (510.10 km) |
| South San Francisco to Aguadilla (Puerto Rico) | 3,565.20 mi (5,737.63 km) |
| South San Francisco to Aiken (South Carolina) | 2,286.08 mi (3,679.09 km) |
| South San Francisco to Akron (Ohio) | 2,177.32 mi (3,504.06 km) |
| South San Francisco to Alabaster (Alabama) | 2,014.96 mi (3,242.77 km) |
