| Porterville to Chivasso | 5,919.48 mi (9,526.48 km) |
| Porterville to Ciampino | 6,249.96 mi (10,058.33 km) |
| Porterville to Cicciano | 6,355.87 mi (10,228.78 km) |
| Porterville to Cingoli | 6,182.33 mi (9,949.49 km) |
| Porterville to Cinisello Balsamo | 5,941.92 mi (9,562.59 km) |
| Porterville to Cinisi | 6,466.30 mi (10,406.50 km) |
| Porterville to Cirie | 5,908.08 mi (9,508.14 km) |
| Porterville to Ciro Marina | 6,524.85 mi (10,500.72 km) |
| Porterville to Cislago | 5,928.89 mi (9,541.62 km) |
| Porterville to Cisterna di Latina | 6,268.59 mi (10,088.32 km) |
| Porterville to Cisternino | 6,455.79 mi (10,389.59 km) |
| Porterville to Citta di Castello | 6,147.70 mi (9,893.76 km) |
| Porterville to Citta Sant'Angelo | 6,254.61 mi (10,065.82 km) |
| Porterville to Cittadella | 6,014.01 mi (9,678.62 km) |
| Porterville to Cittanova | 6,551.00 mi (10,542.81 km) |
