| Plonsk to Chivasso | 763.83 mi (1,229.26 km) |
| Plonsk to Ciampino | 831.74 mi (1,338.55 km) |
| Plonsk to Cicciano | 851.54 mi (1,370.43 km) |
| Plonsk to Cingoli | 720.07 mi (1,158.85 km) |
| Plonsk to Cinisello Balsamo | 701.93 mi (1,129.64 km) |
| Plonsk to Cinisi | 1,058.84 mi (1,704.03 km) |
| Plonsk to Cirie | 771.24 mi (1,241.19 km) |
| Plonsk to Ciro Marina | 929.42 mi (1,495.76 km) |
| Plonsk to Cislago | 704.94 mi (1,134.49 km) |
| Plonsk to Cisterna di Latina | 840.52 mi (1,352.68 km) |
| Plonsk to Cisternino | 833.83 mi (1,341.92 km) |
| Plonsk to Citta di Castello | 735.83 mi (1,184.20 km) |
| Plonsk to Citta Sant'Angelo | 758.05 mi (1,219.97 km) |
| Plonsk to Cittadella | 618.72 mi (995.73 km) |
| Plonsk to Cittanova | 1,008.15 mi (1,622.47 km) |
