| Lons to Smolyan | 1,280.92 mi (2,061.45 km) |
| Lons to Sofia | 1,196.22 mi (1,925.14 km) |
| Lons to Sopot | 1,267.79 mi (2,040.31 km) |
| Lons to Sozopol | 1,418.20 mi (2,282.38 km) |
| Lons to Sredets | 1,394.23 mi (2,243.79 km) |
| Lons to Stamboliyski | 1,264.03 mi (2,034.25 km) |
| Lons to Stara Zagora | 1,315.64 mi (2,117.31 km) |
| Lons to Svilengrad | 1,353.16 mi (2,177.70 km) |
| Lons to Svishtov | 1,286.79 mi (2,070.89 km) |
| Lons to Targovishte | 1,351.81 mi (2,175.53 km) |
| Lons to Teteven | 1,240.40 mi (1,996.24 km) |
| Lons to Troyan | 1,263.24 mi (2,032.99 km) |
| Lons to Tryavna | 1,302.48 mi (2,096.14 km) |
| Lons to Tutrakan | 1,345.37 mi (2,165.16 km) |
| Lons to Varna | 1,418.34 mi (2,282.60 km) |
