| Smolyan to Carquefou | 1,343.77 mi (2,162.59 km) |
| Smolyan to Carqueiranne | 955.01 mi (1,536.93 km) |
| Smolyan to Carrieres-sous-Poissy | 1,207.70 mi (1,943.60 km) |
| Smolyan to Carrieres-sur-Seine | 1,196.08 mi (1,924.90 km) |
| Smolyan to Carros | 900.27 mi (1,448.85 km) |
| Smolyan to Carvin | 1,204.31 mi (1,938.16 km) |
| Smolyan to Castanet-Tolosan | 1,184.62 mi (1,906.46 km) |
| Smolyan to Castelginest | 1,187.61 mi (1,911.28 km) |
| Smolyan to Castelnau-le-Lez | 1,064.23 mi (1,712.71 km) |
| Smolyan to Castelnaudary | 1,162.17 mi (1,870.33 km) |
| Smolyan to Castelsarrasin | 1,203.61 mi (1,937.03 km) |
| Smolyan to Castres | 1,146.86 mi (1,845.70 km) |
| Smolyan to Caudebec-les-Elbeuf | 1,258.30 mi (2,025.04 km) |
| Smolyan to Caudry | 1,176.19 mi (1,892.90 km) |
| Smolyan to Cavaillon | 1,007.83 mi (1,621.95 km) |
