| Lannion to Cosenza | 1,170.72 mi (1,884.10 km) |
| Lannion to Cossato | 587.53 mi (945.54 km) |
| Lannion to Costa Volpino | 665.16 mi (1,070.48 km) |
| Lannion to Creazzo | 734.73 mi (1,182.44 km) |
| Lannion to Crema | 659.76 mi (1,061.77 km) |
| Lannion to Cremona | 682.10 mi (1,097.73 km) |
| Lannion to Crevalcore | 743.83 mi (1,197.08 km) |
| Lannion to Crispiano | 1,156.24 mi (1,860.79 km) |
| Lannion to Crosia | 1,180.18 mi (1,899.32 km) |
| Lannion to Crotone | 1,215.87 mi (1,956.75 km) |
| Lannion to Cuneo | 602.22 mi (969.18 km) |
| Lannion to Cuorgne | 570.74 mi (918.52 km) |
| Lannion to Cusano Milanino | 632.44 mi (1,017.81 km) |
| Lannion to Cutro | 1,212.60 mi (1,951.50 km) |
| Lannion to Cutrofiano | 1,217.03 mi (1,958.63 km) |
