| Porterville to Castelfidardo | 6,186.79 mi (9,956.67 km) |
| Porterville to Castelfiorentino | 6,100.85 mi (9,818.37 km) |
| Porterville to Castelfranco di Sopra | 6,117.82 mi (9,845.68 km) |
| Porterville to Castelfranco di Sotto | 6,088.71 mi (9,798.83 km) |
| Porterville to Castelfranco Emilia | 6,049.42 mi (9,735.60 km) |
| Porterville to Castelfranco Veneto | 6,017.53 mi (9,684.28 km) |
| Porterville to Castellabate | 6,407.29 mi (10,311.54 km) |
| Porterville to Castellammare del Golfo | 6,466.86 mi (10,407.41 km) |
| Porterville to Castellammare di Stabia | 6,369.47 mi (10,250.67 km) |
| Porterville to Castellamonte | 5,903.92 mi (9,501.43 km) |
| Porterville to Castellana Grotte | 6,439.40 mi (10,363.22 km) |
| Porterville to Castellaneta | 6,446.84 mi (10,375.18 km) |
| Porterville to Castellanza | 5,928.60 mi (9,541.16 km) |
| Porterville to Castellarano | 6,042.82 mi (9,724.98 km) |
| Porterville to Castelleone | 5,972.23 mi (9,611.37 km) |
