| South San Francisco to Allison Park (Pennsylvania) | 2,263.11 mi (3,642.13 km) |
| South San Francisco to Allouez (Wisconsin) | 1,837.84 mi (2,957.72 km) |
| South San Francisco to Aloha (Oregon) | 542.07 mi (872.38 km) |
| South San Francisco to Alpena (Michigan) | 2,063.85 mi (3,321.45 km) |
| South San Francisco to Alpharetta (Georgia) | 2,135.57 mi (3,436.86 km) |
| South San Francisco to Alpine (California) | 460.76 mi (741.53 km) |
| South San Francisco to Alpine (Utah) | 602.84 mi (970.17 km) |
| South San Francisco to Alsip (Illinois) | 1,852.80 mi (2,981.79 km) |
| South San Francisco to Altadena (California) | 338.55 mi (544.84 km) |
| South San Francisco to Altamont (Oregon) | 316.12 mi (508.75 km) |
| South San Francisco to Altamonte Springs (Florida) | 2,432.32 mi (3,914.43 km) |
| South San Francisco to Alton (Illinois) | 1,743.15 mi (2,805.34 km) |
| South San Francisco to Alton (Texas) | 1,609.66 mi (2,590.50 km) |
| South San Francisco to Altoona (Iowa) | 1,556.57 mi (2,505.05 km) |
| South San Francisco to Altoona (Pennsylvania) | 2,344.64 mi (3,773.33 km) |
