| Castanet-Tolosan to Ciampino | 575.96 mi (926.92 km) |
| Castanet-Tolosan to Cicciano | 688.82 mi (1,108.55 km) |
| Castanet-Tolosan to Cingoli | 587.49 mi (945.48 km) |
| Castanet-Tolosan to Cinisello Balsamo | 405.11 mi (651.97 km) |
| Castanet-Tolosan to Cinisi | 709.19 mi (1,141.33 km) |
| Castanet-Tolosan to Cirie | 323.84 mi (521.16 km) |
| Castanet-Tolosan to Ciro Marina | 857.12 mi (1,379.40 km) |
| Castanet-Tolosan to Cislago | 395.82 mi (637.01 km) |
| Castanet-Tolosan to Cisterna di Latina | 591.30 mi (951.61 km) |
| Castanet-Tolosan to Cisternino | 837.51 mi (1,347.84 km) |
| Castanet-Tolosan to Citta di Castello | 538.31 mi (866.32 km) |
| Castanet-Tolosan to Citta Sant'Angelo | 637.23 mi (1,025.52 km) |
| Castanet-Tolosan to Cittadella | 526.76 mi (847.73 km) |
| Castanet-Tolosan to Cittanova | 839.27 mi (1,350.67 km) |
| Castanet-Tolosan to Cividale del Friuli | 611.01 mi (983.33 km) |
