| Porterville to Castelletto sopra Ticino | 5,915.04 mi (9,519.34 km) |
| Porterville to Castelli Calepio | 5,958.38 mi (9,589.09 km) |
| Porterville to Castelnovo ne' Monti | 6,038.26 mi (9,717.63 km) |
| Porterville to Castelnuovo Berardenga | 6,131.22 mi (9,867.24 km) |
| Porterville to Castelnuovo di Porto | 6,228.51 mi (10,023.81 km) |
| Porterville to Castelnuovo di Verona | 5,995.42 mi (9,648.70 km) |
| Porterville to Castelnuovo Rangone | 6,048.31 mi (9,733.81 km) |
| Porterville to Castelvetrano | 6,482.89 mi (10,433.20 km) |
| Porterville to Castelvetro di Modena | 6,051.53 mi (9,739.00 km) |
| Porterville to Castenaso | 6,066.84 mi (9,763.64 km) |
| Porterville to Castenedolo | 5,979.20 mi (9,622.59 km) |
| Porterville to Castiglion Fiorentino | 6,144.17 mi (9,888.08 km) |
| Porterville to Castiglione del Lago | 6,159.36 mi (9,912.54 km) |
| Porterville to Castiglione delle Stiviere | 5,989.16 mi (9,638.62 km) |
| Porterville to Castrolibero | 6,499.78 mi (10,460.38 km) |
