| Cities | Distance |
|---|
| Sumbas to Smolyan | 667.64 mi (1,074.46 km) |
| Sumbas to Sofia | 762.38 mi (1,226.93 km) |
| Sumbas to Sopot | 695.91 mi (1,119.96 km) |
| Sumbas to Sozopol | 558.98 mi (899.59 km) |
| Sumbas to Sredets | 577.53 mi (929.45 km) |
| Sumbas to Stamboliyski | 690.34 mi (1,111.00 km) |
| Sumbas to Stara Zagora | 648.43 mi (1,043.54 km) |
| Sumbas to Svilengrad | 602.10 mi (968.98 km) |
| Sumbas to Svishtov | 703.77 mi (1,132.61 km) |
| Sumbas to Targovishte | 638.47 mi (1,027.52 km) |
| Sumbas to Teteven | 726.15 mi (1,168.62 km) |
| Sumbas to Troyan | 704.94 mi (1,134.49 km) |
| Sumbas to Tryavna | 669.84 mi (1,078.01 km) |
| Sumbas to Tutrakan | 670.96 mi (1,079.81 km) |
| Sumbas to Varna | 584.16 mi (940.11 km) |
