| Gujan-Mestras to Ciampino | 714.52 mi (1,149.91 km) |
| Gujan-Mestras to Cicciano | 828.95 mi (1,334.06 km) |
| Gujan-Mestras to Cingoli | 714.35 mi (1,149.64 km) |
| Gujan-Mestras to Cinisello Balsamo | 505.19 mi (813.03 km) |
| Gujan-Mestras to Cinisi | 857.77 mi (1,380.45 km) |
| Gujan-Mestras to Cirie | 425.72 mi (685.13 km) |
| Gujan-Mestras to Ciro Marina | 999.86 mi (1,609.12 km) |
| Gujan-Mestras to Cislago | 493.62 mi (794.41 km) |
| Gujan-Mestras to Cisterna di Latina | 730.69 mi (1,175.93 km) |
| Gujan-Mestras to Cisternino | 975.12 mi (1,569.30 km) |
| Gujan-Mestras to Citta di Castello | 665.23 mi (1,070.58 km) |
| Gujan-Mestras to Citta Sant'Angelo | 769.52 mi (1,238.43 km) |
| Gujan-Mestras to Cittadella | 629.45 mi (1,013.00 km) |
| Gujan-Mestras to Cittanova | 985.49 mi (1,586.00 km) |
| Gujan-Mestras to Cividale del Friuli | 710.06 mi (1,142.72 km) |
