| Key Largo to Castelfidardo | 5,231.63 mi (8,419.49 km) |
| Key Largo to Castelfiorentino | 5,107.27 mi (8,219.36 km) |
| Key Largo to Castelfranco di Sopra | 5,134.57 mi (8,263.29 km) |
| Key Largo to Castelfranco di Sotto | 5,094.75 mi (8,199.21 km) |
| Key Largo to Castelfranco Emilia | 5,088.31 mi (8,188.85 km) |
| Key Largo to Castelfranco Veneto | 5,104.06 mi (8,214.18 km) |
| Key Largo to Castellabate | 5,381.25 mi (8,660.28 km) |
| Key Largo to Castellammare del Golfo | 5,337.97 mi (8,590.63 km) |
| Key Largo to Castellammare di Stabia | 5,347.28 mi (8,605.62 km) |
| Key Largo to Castellamonte | 4,916.30 mi (7,912.02 km) |
| Key Largo to Castellana Grotte | 5,471.31 mi (8,805.23 km) |
| Key Largo to Castellaneta | 5,467.16 mi (8,798.54 km) |
| Key Largo to Castellanza | 4,966.37 mi (7,992.59 km) |
| Key Largo to Castellarano | 5,076.48 mi (8,169.81 km) |
| Key Largo to Castelleone | 5,012.91 mi (8,067.49 km) |
