| Langgons to Smolyan | 981.74 mi (1,579.95 km) |
| Langgons to Sofia | 877.70 mi (1,412.52 km) |
| Langgons to Sopot | 933.64 mi (1,502.55 km) |
| Langgons to Sozopol | 1,059.61 mi (1,705.28 km) |
| Langgons to Sredets | 1,042.57 mi (1,677.86 km) |
| Langgons to Stamboliyski | 949.31 mi (1,527.77 km) |
| Langgons to Stara Zagora | 978.11 mi (1,574.11 km) |
| Langgons to Svilengrad | 1,029.66 mi (1,657.08 km) |
| Langgons to Svishtov | 914.99 mi (1,472.53 km) |
| Langgons to Targovishte | 979.64 mi (1,576.58 km) |
| Langgons to Teteven | 903.06 mi (1,453.33 km) |
| Langgons to Troyan | 921.85 mi (1,483.58 km) |
| Langgons to Tryavna | 953.02 mi (1,533.73 km) |
| Langgons to Tutrakan | 948.77 mi (1,526.90 km) |
| Langgons to Varna | 1,035.06 mi (1,665.76 km) |
