| Key Biscayne to Cassina de' Pecchi | 4,952.08 mi (7,969.60 km) |
| Key Biscayne to Cassino | 5,258.15 mi (8,462.17 km) |
| Key Biscayne to Castagneto Carducci | 5,062.73 mi (8,147.67 km) |
| Key Biscayne to Castano Primo | 4,923.77 mi (7,924.04 km) |
| Key Biscayne to Castel Bolognese | 5,091.82 mi (8,194.50 km) |
| Key Biscayne to Castel Gandolfo | 5,195.16 mi (8,360.80 km) |
| Key Biscayne to Castel Goffredo | 5,007.84 mi (8,059.35 km) |
| Key Biscayne to Castel Maggiore | 5,065.82 mi (8,152.66 km) |
| Key Biscayne to Castel Mella | 4,988.40 mi (8,028.05 km) |
| Key Biscayne to Castel San Giorgio | 5,318.77 mi (8,559.73 km) |
| Key Biscayne to Castel San Giovanni | 4,965.34 mi (7,990.95 km) |
| Key Biscayne to Castel San Pietro Terme | 5,079.79 mi (8,175.14 km) |
| Key Biscayne to Castel Volturno | 5,273.93 mi (8,487.57 km) |
| Key Biscayne to Castelbuono | 5,366.09 mi (8,635.89 km) |
| Key Biscayne to Casteldaccia | 5,334.53 mi (8,585.09 km) |
