| Guclukonak to Smolyan | 958.46 mi (1,542.49 km) |
| Guclukonak to Sofia | 1,044.02 mi (1,680.19 km) |
| Guclukonak to Sopot | 973.43 mi (1,566.58 km) |
| Guclukonak to Sozopol | 825.46 mi (1,328.45 km) |
| Guclukonak to Sredets | 848.06 mi (1,364.83 km) |
| Guclukonak to Stamboliyski | 975.09 mi (1,569.26 km) |
| Guclukonak to Stara Zagora | 925.26 mi (1,489.06 km) |
| Guclukonak to Svilengrad | 885.87 mi (1,425.66 km) |
| Guclukonak to Svishtov | 965.45 mi (1,553.74 km) |
| Guclukonak to Targovishte | 898.61 mi (1,446.17 km) |
| Guclukonak to Teteven | 1,002.06 mi (1,612.66 km) |
| Guclukonak to Troyan | 979.56 mi (1,576.44 km) |
| Guclukonak to Tryavna | 941.34 mi (1,514.94 km) |
| Guclukonak to Tutrakan | 918.49 mi (1,478.17 km) |
| Guclukonak to Varna | 835.67 mi (1,344.88 km) |
