| Ludza to Smolyan | 1,042.82 mi (1,678.26 km) |
| Ludza to Sofia | 976.37 mi (1,571.32 km) |
| Ludza to Sopot | 969.31 mi (1,559.95 km) |
| Ludza to Sozopol | 976.52 mi (1,571.55 km) |
| Ludza to Sredets | 981.39 mi (1,579.40 km) |
| Ludza to Stamboliyski | 1,006.08 mi (1,619.13 km) |
| Ludza to Stara Zagora | 979.66 mi (1,576.60 km) |
| Ludza to Svilengrad | 1,023.66 mi (1,647.42 km) |
| Ludza to Svishtov | 899.61 mi (1,447.77 km) |
| Ludza to Targovishte | 920.29 mi (1,481.07 km) |
| Ludza to Teteven | 954.18 mi (1,535.60 km) |
| Ludza to Troyan | 953.51 mi (1,534.52 km) |
| Ludza to Tryavna | 950.46 mi (1,529.61 km) |
| Ludza to Tutrakan | 865.00 mi (1,392.08 km) |
| Ludza to Varna | 921.28 mi (1,482.66 km) |
