| Sliven to Carovigno | 467.42 mi (752.24 km) |
| Sliven to Carpenedolo | 809.96 mi (1,303.51 km) |
| Sliven to Carpi | 783.60 mi (1,261.08 km) |
| Sliven to Carrara | 819.52 mi (1,318.89 km) |
| Sliven to Carugate | 864.42 mi (1,391.15 km) |
| Sliven to Casal di Principe | 637.78 mi (1,026.40 km) |
| Sliven to Casale Monferrato | 903.79 mi (1,454.50 km) |
| Sliven to Casale sul Sile | 721.74 mi (1,161.52 km) |
| Sliven to Casalecchio di Reno | 762.31 mi (1,226.82 km) |
| Sliven to Casalgrande | 789.82 mi (1,271.10 km) |
| Sliven to Casalmaggiore | 807.77 mi (1,299.99 km) |
| Sliven to Casalnuovo di Napoli | 628.61 mi (1,011.65 km) |
| Sliven to Casalpusterlengo | 846.23 mi (1,361.87 km) |
| Sliven to Casaluce | 634.70 mi (1,021.45 km) |
| Sliven to Casamassima | 499.17 mi (803.34 km) |
