| Smolyan to Cankova | 557.26 mi (896.82 km) |
| Smolyan to Celje | 568.41 mi (914.77 km) |
| Smolyan to Cerklje na Gorenjskem | 601.26 mi (967.63 km) |
| Smolyan to Cerknica | 592.37 mi (953.34 km) |
| Smolyan to Cerkno | 618.30 mi (995.06 km) |
| Smolyan to Cerkvenjak | 553.94 mi (891.48 km) |
| Smolyan to Cirkulane | 543.19 mi (874.18 km) |
| Smolyan to Crensovci | 540.80 mi (870.33 km) |
| Smolyan to Crna na Koroskem | 593.85 mi (955.70 km) |
| Smolyan to Crnomelj | 549.52 mi (884.37 km) |
| Smolyan to Destrnik | 553.47 mi (890.72 km) |
| Smolyan to Divaca | 606.02 mi (975.29 km) |
| Smolyan to Dobje | 559.68 mi (900.73 km) |
| Smolyan to Dobrna | 573.64 mi (923.18 km) |
| Smolyan to Dobrova | 597.90 mi (962.22 km) |
