| Alzey to Smolyan | 976.00 mi (1,570.72 km) |
| Alzey to Sofia | 872.63 mi (1,404.37 km) |
| Alzey to Sopot | 931.39 mi (1,498.93 km) |
| Alzey to Sozopol | 1,062.01 mi (1,709.14 km) |
| Alzey to Sredets | 1,043.92 mi (1,680.03 km) |
| Alzey to Stamboliyski | 944.93 mi (1,520.72 km) |
| Alzey to Stara Zagora | 976.90 mi (1,572.17 km) |
| Alzey to Svilengrad | 1,027.44 mi (1,653.50 km) |
| Alzey to Svishtov | 917.22 mi (1,476.13 km) |
| Alzey to Targovishte | 982.80 mi (1,581.66 km) |
| Alzey to Teteven | 900.73 mi (1,449.58 km) |
| Alzey to Troyan | 920.32 mi (1,481.11 km) |
| Alzey to Tryavna | 952.94 mi (1,533.61 km) |
| Alzey to Tutrakan | 954.73 mi (1,536.50 km) |
| Alzey to Varna | 1,040.30 mi (1,674.21 km) |
