| South San Francisco to Cassina de' Pecchi | 5,956.23 mi (9,585.62 km) |
| South San Francisco to Cassino | 6,311.70 mi (10,157.70 km) |
| South San Francisco to Castagneto Carducci | 6,123.54 mi (9,854.89 km) |
| South San Francisco to Castano Primo | 5,937.11 mi (9,554.86 km) |
| South San Francisco to Castel Bolognese | 6,092.79 mi (9,805.40 km) |
| South San Francisco to Castel Gandolfo | 6,263.73 mi (10,080.49 km) |
| South San Francisco to Castel Goffredo | 5,999.98 mi (9,656.04 km) |
| South San Francisco to Castel Maggiore | 6,066.42 mi (9,762.95 km) |
| South San Francisco to Castel Mella | 5,979.46 mi (9,623.01 km) |
| South San Francisco to Castel San Giorgio | 6,377.78 mi (10,264.04 km) |
| South San Francisco to Castel San Giovanni | 5,984.15 mi (9,630.56 km) |
| South San Francisco to Castel San Pietro Terme | 6,081.97 mi (9,787.98 km) |
| South San Francisco to Castel Volturno | 6,340.09 mi (10,203.40 km) |
| South San Francisco to Castelbuono | 6,525.77 mi (10,502.21 km) |
| South San Francisco to Casteldaccia | 6,502.08 mi (10,464.09 km) |
