| Gourock to Chivasso | 926.31 mi (1,490.76 km) |
| Gourock to Ciampino | 1,250.70 mi (2,012.81 km) |
| Gourock to Cicciano | 1,353.70 mi (2,178.56 km) |
| Gourock to Cingoli | 1,179.10 mi (1,897.57 km) |
| Gourock to Cinisello Balsamo | 941.42 mi (1,515.06 km) |
| Gourock to Cinisi | 1,480.82 mi (2,383.15 km) |
| Gourock to Cirie | 916.34 mi (1,474.71 km) |
| Gourock to Ciro Marina | 1,521.58 mi (2,448.74 km) |
| Gourock to Cislago | 928.81 mi (1,494.78 km) |
| Gourock to Cisterna di Latina | 1,269.23 mi (2,042.62 km) |
| Gourock to Cisternino | 1,453.70 mi (2,339.50 km) |
| Gourock to Citta di Castello | 1,145.34 mi (1,843.24 km) |
| Gourock to Citta Sant'Angelo | 1,251.38 mi (2,013.91 km) |
| Gourock to Cittadella | 1,011.09 mi (1,627.19 km) |
| Gourock to Cittanova | 1,550.45 mi (2,495.20 km) |
