| Sliven to Busto Garolfo | 885.85 mi (1,425.64 km) |
| Sliven to Cabras | 941.29 mi (1,514.86 km) |
| Sliven to Cadelbosco di Sopra | 797.34 mi (1,283.20 km) |
| Sliven to Cadoneghe | 738.88 mi (1,189.11 km) |
| Sliven to Cagli | 691.93 mi (1,113.55 km) |
| Sliven to Cagliari | 928.00 mi (1,493.47 km) |
| Sliven to Cairo Montenotte | 910.69 mi (1,465.61 km) |
| Sliven to Caivano | 630.53 mi (1,014.74 km) |
| Sliven to Calcinaia | 793.62 mi (1,277.21 km) |
| Sliven to Calcinato | 811.68 mi (1,306.27 km) |
| Sliven to Calderara di Reno | 763.56 mi (1,228.83 km) |
| Sliven to Caldogno | 761.60 mi (1,225.67 km) |
| Sliven to Calenzano | 766.23 mi (1,233.13 km) |
| Sliven to Calolziocorte | 861.98 mi (1,387.22 km) |
| Sliven to Caltagirone | 729.37 mi (1,173.82 km) |
