| Kostinbrod to Cabries | 898.75 mi (1,446.41 km) |
| Kostinbrod to Cachan | 1,082.93 mi (1,742.80 km) |
| Kostinbrod to Caen | 1,208.31 mi (1,944.58 km) |
| Kostinbrod to Cagnes-sur-Mer | 809.59 mi (1,302.91 km) |
| Kostinbrod to Cahors | 1,091.55 mi (1,756.68 km) |
| Kostinbrod to Calais | 1,148.63 mi (1,848.55 km) |
| Kostinbrod to Caluire-et-Cuire | 929.05 mi (1,495.16 km) |
| Kostinbrod to Cambrai | 1,073.13 mi (1,727.03 km) |
| Kostinbrod to Canet-en-Roussillon | 1,022.74 mi (1,645.95 km) |
| Kostinbrod to Cannes | 816.63 mi (1,314.24 km) |
| Kostinbrod to Canteleu | 1,151.21 mi (1,852.69 km) |
| Kostinbrod to Capbreton | 1,237.64 mi (1,991.78 km) |
| Kostinbrod to Carcassonne | 1,051.81 mi (1,692.73 km) |
| Kostinbrod to Carmaux | 1,057.13 mi (1,701.28 km) |
| Kostinbrod to Carpentras | 913.64 mi (1,470.37 km) |
