| Lannion to Carpentras | 517.77 mi (833.28 km) |
| Lannion to Carquefou | 134.40 mi (216.30 km) |
| Lannion to Carqueiranne | 600.49 mi (966.39 km) |
| Lannion to Carrieres-sous-Poissy | 250.22 mi (402.69 km) |
| Lannion to Carrieres-sur-Seine | 261.54 mi (420.91 km) |
| Lannion to Carros | 612.53 mi (985.78 km) |
| Lannion to Carvin | 311.69 mi (501.62 km) |
| Lannion to Castanet-Tolosan | 431.29 mi (694.10 km) |
| Lannion to Castelginest | 419.12 mi (674.51 km) |
| Lannion to Castelnau-le-Lez | 497.37 mi (800.44 km) |
| Lannion to Castelnaudary | 455.03 mi (732.30 km) |
| Lannion to Castelsarrasin | 390.22 mi (627.99 km) |
| Lannion to Castres | 447.27 mi (719.80 km) |
| Lannion to Caudebec-les-Elbeuf | 206.36 mi (332.10 km) |
| Lannion to Caudry | 323.10 mi (519.98 km) |
