| Sliven to Cabries | 1,056.25 mi (1,699.87 km) |
| Sliven to Cachan | 1,225.73 mi (1,972.61 km) |
| Sliven to Caen | 1,351.04 mi (2,174.29 km) |
| Sliven to Cagnes-sur-Mer | 966.88 mi (1,556.05 km) |
| Sliven to Cahors | 1,247.32 mi (2,007.37 km) |
| Sliven to Calais | 1,282.37 mi (2,063.77 km) |
| Sliven to Caluire-et-Cuire | 1,081.61 mi (1,740.68 km) |
| Sliven to Cambrai | 1,209.08 mi (1,945.83 km) |
| Sliven to Canet-en-Roussillon | 1,180.76 mi (1,900.25 km) |
| Sliven to Cannes | 974.08 mi (1,567.62 km) |
| Sliven to Canteleu | 1,292.13 mi (2,079.48 km) |
| Sliven to Capbreton | 1,394.35 mi (2,243.99 km) |
| Sliven to Carcassonne | 1,209.35 mi (1,946.27 km) |
| Sliven to Carmaux | 1,213.59 mi (1,953.09 km) |
| Sliven to Carpentras | 1,070.24 mi (1,722.39 km) |
