| Gretna to Chivasso | 5,138.59 mi (8,269.76 km) |
| Gretna to Ciampino | 5,458.28 mi (8,784.25 km) |
| Gretna to Cicciano | 5,573.83 mi (8,970.21 km) |
| Gretna to Cingoli | 5,430.26 mi (8,739.16 km) |
| Gretna to Cinisello Balsamo | 5,184.55 mi (8,343.72 km) |
| Gretna to Cinisi | 5,610.01 mi (9,028.44 km) |
| Gretna to Cirie | 5,124.75 mi (8,247.48 km) |
| Gretna to Ciro Marina | 5,748.69 mi (9,251.62 km) |
| Gretna to Cislago | 5,170.64 mi (8,321.33 km) |
| Gretna to Cisterna di Latina | 5,475.77 mi (8,812.40 km) |
| Gretna to Cisternino | 5,710.14 mi (9,189.58 km) |
| Gretna to Citta di Castello | 5,384.83 mi (8,666.04 km) |
| Gretna to Citta Sant'Angelo | 5,496.60 mi (8,845.93 km) |
| Gretna to Cittadella | 5,290.31 mi (8,513.93 km) |
| Gretna to Cittanova | 5,740.29 mi (9,238.11 km) |
