| Castanet-Tolosan to Cosenza | 816.67 mi (1,314.30 km) |
| Castanet-Tolosan to Cossato | 357.53 mi (575.39 km) |
| Castanet-Tolosan to Costa Volpino | 451.58 mi (726.74 km) |
| Castanet-Tolosan to Creazzo | 510.86 mi (822.14 km) |
| Castanet-Tolosan to Crema | 423.33 mi (681.28 km) |
| Castanet-Tolosan to Cremona | 436.20 mi (702.00 km) |
| Castanet-Tolosan to Crevalcore | 485.61 mi (781.51 km) |
| Castanet-Tolosan to Crispiano | 830.57 mi (1,336.67 km) |
| Castanet-Tolosan to Crosia | 833.95 mi (1,342.12 km) |
| Castanet-Tolosan to Crotone | 864.98 mi (1,392.06 km) |
| Castanet-Tolosan to Cuneo | 306.88 mi (493.88 km) |
| Castanet-Tolosan to Cuorgne | 329.77 mi (530.71 km) |
| Castanet-Tolosan to Cusano Milanino | 403.57 mi (649.49 km) |
| Castanet-Tolosan to Cutro | 860.03 mi (1,384.09 km) |
| Castanet-Tolosan to Cutrofiano | 889.81 mi (1,432.02 km) |
