| Key Biscayne to Castelfidardo | 5,194.05 mi (8,359.01 km) |
| Key Biscayne to Castelfiorentino | 5,069.88 mi (8,159.19 km) |
| Key Biscayne to Castelfranco di Sopra | 5,097.12 mi (8,203.02 km) |
| Key Biscayne to Castelfranco di Sotto | 5,057.35 mi (8,139.01 km) |
| Key Biscayne to Castelfranco Emilia | 5,050.59 mi (8,128.13 km) |
| Key Biscayne to Castelfranco Veneto | 5,065.92 mi (8,152.81 km) |
| Key Biscayne to Castellabate | 5,344.59 mi (8,601.28 km) |
| Key Biscayne to Castellammare del Golfo | 5,302.36 mi (8,533.32 km) |
| Key Biscayne to Castellammare di Stabia | 5,310.53 mi (8,546.48 km) |
| Key Biscayne to Castellamonte | 4,878.58 mi (7,851.31 km) |
| Key Biscayne to Castellana Grotte | 5,434.21 mi (8,745.51 km) |
| Key Biscayne to Castellaneta | 5,430.16 mi (8,738.99 km) |
| Key Biscayne to Castellanza | 4,928.48 mi (7,931.62 km) |
| Key Biscayne to Castellarano | 5,038.79 mi (8,109.14 km) |
| Key Biscayne to Castelleone | 4,975.06 mi (8,006.58 km) |
