| South San Francisco to Candler-McAfee (Georgia) | 2,143.02 mi (3,448.86 km) |
| South San Francisco to Caño Martin Peña (Puerto Rico) | 3,625.54 mi (5,834.74 km) |
| South San Francisco to Cañon City (Colorado) | 936.05 mi (1,506.42 km) |
| South San Francisco to Canóvanas (Puerto Rico) | 3,636.07 mi (5,851.68 km) |
| South San Francisco to Canton (Georgia) | 2,120.11 mi (3,411.98 km) |
| South San Francisco to Canton (Illinois) | 1,737.68 mi (2,796.52 km) |
| South San Francisco to Canton (Mississippi) | 1,853.77 mi (2,983.35 km) |
| South San Francisco to Canton (Ohio) | 2,187.80 mi (3,520.93 km) |
| South San Francisco to Canyon (Texas) | 1,153.57 mi (1,856.50 km) |
| South San Francisco to Canyon Lake (California) | 398.45 mi (641.24 km) |
| South San Francisco to Canyon Lake (Texas) | 1,482.73 mi (2,386.22 km) |
| South San Francisco to Cape Coral (Florida) | 2,462.73 mi (3,963.38 km) |
| South San Francisco to Cape Girardeau (Missouri) | 1,792.48 mi (2,884.72 km) |
| South San Francisco to Carbondale (Illinois) | 1,805.39 mi (2,905.49 km) |
| South San Francisco to Carlisle (Pennsylvania) | 2,410.46 mi (3,879.27 km) |
