| Sliven to Cankova | 577.61 mi (929.58 km) |
| Sliven to Celje | 597.68 mi (961.87 km) |
| Sliven to Cerklje na Gorenjskem | 633.22 mi (1,019.06 km) |
| Sliven to Cerknica | 629.83 mi (1,013.62 km) |
| Sliven to Cerkno | 653.18 mi (1,051.19 km) |
| Sliven to Cerkvenjak | 576.45 mi (927.71 km) |
| Sliven to Cirkulane | 568.12 mi (914.31 km) |
| Sliven to Crensovci | 561.53 mi (903.70 km) |
| Sliven to Crna na Koroskem | 622.03 mi (1,001.07 km) |
| Sliven to Crnomelj | 587.01 mi (944.70 km) |
| Sliven to Destrnik | 577.14 mi (928.82 km) |
| Sliven to Divaca | 645.86 mi (1,039.41 km) |
| Sliven to Dobje | 589.63 mi (948.91 km) |
| Sliven to Dobrna | 601.87 mi (968.61 km) |
| Sliven to Dobrova | 632.28 mi (1,017.56 km) |
