| Sliven to Cartagena | 1,477.85 mi (2,378.38 km) |
| Sliven to Cartama | 1,686.76 mi (2,714.57 km) |
| Sliven to Cartaya | 1,799.11 mi (2,895.38 km) |
| Sliven to Caspe | 1,352.91 mi (2,177.29 km) |
| Sliven to Cassa de la Selva | 1,196.51 mi (1,925.59 km) |
| Sliven to Castalla | 1,437.22 mi (2,312.98 km) |
| Sliven to Castellbisbal | 1,247.22 mi (2,007.20 km) |
| Sliven to Castelldefels | 1,250.39 mi (2,012.30 km) |
| Sliven to Castello de Ampurias | 1,181.98 mi (1,902.22 km) |
| Sliven to Castellon de la Plana | 1,374.89 mi (2,212.66 km) |
| Sliven to Castilleja de la Cuesta | 1,740.61 mi (2,801.24 km) |
| Sliven to Catarroja | 1,405.59 mi (2,262.08 km) |
| Sliven to Catral | 1,454.61 mi (2,340.97 km) |
| Sliven to Caudete | 1,450.80 mi (2,334.84 km) |
| Sliven to Cehegin | 1,506.68 mi (2,424.77 km) |
