| Leon to Smolyan | 1,545.26 mi (2,486.86 km) |
| Leon to Sofia | 1,461.37 mi (2,351.84 km) |
| Leon to Sopot | 1,533.01 mi (2,467.14 km) |
| Leon to Sozopol | 1,683.50 mi (2,709.33 km) |
| Leon to Sredets | 1,659.47 mi (2,670.66 km) |
| Leon to Stamboliyski | 1,528.88 mi (2,460.50 km) |
| Leon to Stara Zagora | 1,580.81 mi (2,544.07 km) |
| Leon to Svilengrad | 1,617.94 mi (2,603.82 km) |
| Leon to Svishtov | 1,552.15 mi (2,497.94 km) |
| Leon to Targovishte | 1,617.20 mi (2,602.63 km) |
| Leon to Teteven | 1,505.71 mi (2,423.20 km) |
| Leon to Troyan | 1,528.55 mi (2,459.96 km) |
| Leon to Tryavna | 1,567.82 mi (2,523.16 km) |
| Leon to Tutrakan | 1,610.51 mi (2,591.87 km) |
| Leon to Varna | 1,683.72 mi (2,709.68 km) |
