| Humacao to Castelfidardo | 4,838.42 mi (7,786.68 km) |
| Humacao to Castelfiorentino | 4,708.91 mi (7,578.26 km) |
| Humacao to Castelfranco di Sopra | 4,738.26 mi (7,625.50 km) |
| Humacao to Castelfranco di Sotto | 4,697.56 mi (7,560.00 km) |
| Humacao to Castelfranco Emilia | 4,707.75 mi (7,576.39 km) |
| Humacao to Castelfranco Veneto | 4,744.82 mi (7,636.06 km) |
| Humacao to Castellabate | 4,938.72 mi (7,948.11 km) |
| Humacao to Castellammare del Golfo | 4,851.04 mi (7,807.00 km) |
| Humacao to Castellammare di Stabia | 4,910.04 mi (7,901.94 km) |
| Humacao to Castellamonte | 4,541.88 mi (7,309.45 km) |
| Humacao to Castellana Grotte | 5,046.91 mi (8,122.22 km) |
| Humacao to Castellaneta | 5,037.74 mi (8,107.46 km) |
| Humacao to Castellanza | 4,598.79 mi (7,401.03 km) |
| Humacao to Castellarano | 4,694.68 mi (7,555.36 km) |
| Humacao to Castelleone | 4,641.54 mi (7,469.84 km) |
