| Cities | Distance |
|---|
| Sumperk to Smolyan | 687.76 mi (1,106.84 km) |
| Sumperk to Sofia | 586.05 mi (943.15 km) |
| Sumperk to Sopot | 626.43 mi (1,008.14 km) |
| Sumperk to Sozopol | 730.31 mi (1,175.32 km) |
| Sumperk to Sredets | 717.42 mi (1,154.58 km) |
| Sumperk to Stamboliyski | 650.68 mi (1,047.17 km) |
| Sumperk to Stara Zagora | 664.74 mi (1,069.80 km) |
| Sumperk to Svilengrad | 718.63 mi (1,156.53 km) |
| Sumperk to Svishtov | 590.49 mi (950.30 km) |
| Sumperk to Targovishte | 649.75 mi (1,045.67 km) |
| Sumperk to Teteven | 597.59 mi (961.72 km) |
| Sumperk to Troyan | 612.11 mi (985.09 km) |
| Sumperk to Tryavna | 636.03 mi (1,023.60 km) |
| Sumperk to Tutrakan | 610.33 mi (982.24 km) |
| Sumperk to Varna | 696.95 mi (1,121.64 km) |
