| Boynton Beach to Castelfidardo | 5,151.89 mi (8,291.16 km) |
| Boynton Beach to Castelfiorentino | 5,028.12 mi (8,091.97 km) |
| Boynton Beach to Castelfranco di Sopra | 5,055.23 mi (8,135.60 km) |
| Boynton Beach to Castelfranco di Sotto | 5,015.55 mi (8,071.75 km) |
| Boynton Beach to Castelfranco Emilia | 5,008.12 mi (8,059.79 km) |
| Boynton Beach to Castelfranco Veneto | 5,022.58 mi (8,083.07 km) |
| Boynton Beach to Castellabate | 5,304.29 mi (8,536.43 km) |
| Boynton Beach to Castellammare del Golfo | 5,264.13 mi (8,471.81 km) |
| Boynton Beach to Castellammare di Stabia | 5,270.06 mi (8,481.34 km) |
| Boynton Beach to Castellamonte | 4,836.12 mi (7,782.99 km) |
| Boynton Beach to Castellana Grotte | 5,393.00 mi (8,679.19 km) |
| Boynton Beach to Castellaneta | 5,389.17 mi (8,673.03 km) |
| Boynton Beach to Castellanza | 4,885.67 mi (7,862.73 km) |
| Boynton Beach to Castellarano | 4,996.39 mi (8,040.91 km) |
| Boynton Beach to Castelleone | 4,932.33 mi (7,937.82 km) |
