| Hudson to Chivasso | 4,263.90 mi (6,862.08 km) |
| Hudson to Ciampino | 4,589.80 mi (7,386.56 km) |
| Hudson to Cicciano | 4,704.78 mi (7,571.62 km) |
| Hudson to Cingoli | 4,553.51 mi (7,328.16 km) |
| Hudson to Cinisello Balsamo | 4,305.84 mi (6,929.58 km) |
| Hudson to Cinisi | 4,758.15 mi (7,657.50 km) |
| Hudson to Cirie | 4,250.38 mi (6,840.32 km) |
| Hudson to Ciro Marina | 4,880.60 mi (7,854.57 km) |
| Hudson to Cislago | 4,291.93 mi (6,907.20 km) |
| Hudson to Cisterna di Latina | 4,607.75 mi (7,415.46 km) |
| Hudson to Cisternino | 4,835.51 mi (7,782.00 km) |
| Hudson to Citta di Castello | 4,509.61 mi (7,257.51 km) |
| Hudson to Citta Sant'Angelo | 4,621.79 mi (7,438.05 km) |
| Hudson to Cittadella | 4,406.73 mi (7,091.94 km) |
| Hudson to Cittanova | 4,879.51 mi (7,852.81 km) |
