| South San Francisco to Ashtabula (Ohio) | 2,207.82 mi (3,553.14 km) |
| South San Francisco to Ashwaubenon (Wisconsin) | 1,834.77 mi (2,952.77 km) |
| South San Francisco to Aspen Hill (Maryland) | 2,432.07 mi (3,914.04 km) |
| South San Francisco to Astoria (Oregon) | 593.75 mi (955.55 km) |
| South San Francisco to Atascadero (California) | 178.20 mi (286.79 km) |
| South San Francisco to Atascocita (Texas) | 1,643.36 mi (2,644.73 km) |
| South San Francisco to Atchison (Kansas) | 1,473.28 mi (2,371.01 km) |
| South San Francisco to Athens (Alabama) | 1,975.28 mi (3,178.90 km) |
| South San Francisco to Athens (Georgia) | 2,187.41 mi (3,520.30 km) |
| South San Francisco to Athens (Ohio) | 2,165.50 mi (3,485.03 km) |
| South San Francisco to Athens (Tennessee) | 2,090.08 mi (3,363.67 km) |
| South San Francisco to Athens (Texas) | 1,546.74 mi (2,489.23 km) |
| South San Francisco to Atlanta (Georgia) | 2,134.07 mi (3,434.46 km) |
| South San Francisco to Atlantic Beach (Florida) | 2,383.23 mi (3,835.43 km) |
| South San Francisco to Atlantic City (New Jersey) | 2,565.03 mi (4,128.02 km) |
