| Sofia to Cabries | 905.71 mi (1,457.59 km) |
| Sofia to Cachan | 1,091.92 mi (1,757.28 km) |
| Sofia to Caen | 1,217.29 mi (1,959.04 km) |
| Sofia to Cagnes-sur-Mer | 816.64 mi (1,314.26 km) |
| Sofia to Cahors | 1,099.03 mi (1,768.72 km) |
| Sofia to Calais | 1,158.06 mi (1,863.72 km) |
| Sofia to Caluire-et-Cuire | 937.14 mi (1,508.18 km) |
| Sofia to Cambrai | 1,082.48 mi (1,742.08 km) |
| Sofia to Canet-en-Roussillon | 1,029.39 mi (1,656.65 km) |
| Sofia to Cannes | 823.62 mi (1,325.48 km) |
| Sofia to Canteleu | 1,160.30 mi (1,867.33 km) |
| Sofia to Capbreton | 1,244.85 mi (2,003.40 km) |
| Sofia to Carcassonne | 1,058.73 mi (1,703.87 km) |
| Sofia to Carmaux | 1,064.43 mi (1,713.04 km) |
| Sofia to Carpentras | 920.92 mi (1,482.08 km) |
