| Santurce-Antiguo to Castelletto sopra Ticino | 597.18 mi (961.06 km) |
| Santurce-Antiguo to Castelli Calepio | 656.22 mi (1,056.08 km) |
| Santurce-Antiguo to Castelnovo ne' Monti | 672.45 mi (1,082.20 km) |
| Santurce-Antiguo to Castelnuovo Berardenga | 729.53 mi (1,174.06 km) |
| Santurce-Antiguo to Castelnuovo di Porto | 791.41 mi (1,273.65 km) |
| Santurce-Antiguo to Castelnuovo di Verona | 695.75 mi (1,119.69 km) |
| Santurce-Antiguo to Castelnuovo Rangone | 698.99 mi (1,124.91 km) |
| Santurce-Antiguo to Castelvetrano | 916.34 mi (1,474.71 km) |
| Santurce-Antiguo to Castelvetro di Modena | 699.69 mi (1,126.05 km) |
| Santurce-Antiguo to Castenaso | 725.36 mi (1,167.35 km) |
| Santurce-Antiguo to Castenedolo | 673.50 mi (1,083.89 km) |
| Santurce-Antiguo to Castiglion Fiorentino | 750.30 mi (1,207.49 km) |
| Santurce-Antiguo to Castiglione del Lago | 758.15 mi (1,220.12 km) |
| Santurce-Antiguo to Castiglione delle Stiviere | 682.62 mi (1,098.58 km) |
| Santurce-Antiguo to Castrolibero | 1,033.07 mi (1,662.57 km) |
