| Lannion to Ciampino | 913.22 mi (1,469.68 km) |
| Lannion to Cicciano | 1,027.83 mi (1,654.14 km) |
| Lannion to Cingoli | 878.80 mi (1,414.29 km) |
| Lannion to Cinisello Balsamo | 633.91 mi (1,020.17 km) |
| Lannion to Cinisi | 1,101.38 mi (1,772.49 km) |
| Lannion to Cirie | 573.69 mi (923.26 km) |
| Lannion to Ciro Marina | 1,203.73 mi (1,937.21 km) |
| Lannion to Cislago | 620.04 mi (997.86 km) |
| Lannion to Cisterna di Latina | 931.34 mi (1,498.85 km) |
| Lannion to Cisternino | 1,159.38 mi (1,865.83 km) |
| Lannion to Citta di Castello | 833.62 mi (1,341.58 km) |
| Lannion to Citta Sant'Angelo | 945.62 mi (1,521.82 km) |
| Lannion to Cittadella | 745.05 mi (1,199.05 km) |
| Lannion to Cittanova | 1,207.50 mi (1,943.29 km) |
| Lannion to Cividale del Friuli | 808.45 mi (1,301.08 km) |
