| South San Francisco to Conyers (Georgia) | 2,159.42 mi (3,475.24 km) |
| South San Francisco to Cookeville (Tennessee) | 2,028.76 mi (3,264.98 km) |
| South San Francisco to Coolidge (Arizona) | 694.81 mi (1,118.19 km) |
| South San Francisco to Coon Rapids (Minnesota) | 1,585.16 mi (2,551.07 km) |
| South San Francisco to Cooper City (Florida) | 2,575.47 mi (4,144.81 km) |
| South San Francisco to Coos Bay (Oregon) | 406.84 mi (654.75 km) |
| South San Francisco to Copiague (New York) | 2,600.67 mi (4,185.37 km) |
| South San Francisco to Coppell (Texas) | 1,465.09 mi (2,357.83 km) |
| South San Francisco to Copperas Cove (Texas) | 1,463.41 mi (2,355.12 km) |
| South San Francisco to Coral Gables (Florida) | 2,587.71 mi (4,164.52 km) |
| South San Francisco to Coral Springs (Florida) | 2,569.54 mi (4,135.27 km) |
| South San Francisco to Coral Terrace (Florida) | 2,584.46 mi (4,159.29 km) |
| South San Francisco to Coralville (Iowa) | 1,653.67 mi (2,661.33 km) |
| South San Francisco to Coram (New York) | 2,617.49 mi (4,212.45 km) |
| South San Francisco to Corcoran (California) | 191.62 mi (308.38 km) |
