| Moscow to Smolyan | 5,897.66 mi (9,491.37 km) |
| Moscow to Sofia | 5,797.72 mi (9,330.53 km) |
| Moscow to Sopot | 5,832.08 mi (9,385.83 km) |
| Moscow to Sozopol | 5,908.64 mi (9,509.03 km) |
| Moscow to Sredets | 5,902.66 mi (9,499.41 km) |
| Moscow to Stamboliyski | 5,859.64 mi (9,430.17 km) |
| Moscow to Stara Zagora | 5,864.99 mi (9,438.79 km) |
| Moscow to Svilengrad | 5,918.59 mi (9,525.05 km) |
| Moscow to Svishtov | 5,784.41 mi (9,309.10 km) |
| Moscow to Targovishte | 5,833.14 mi (9,387.53 km) |
| Moscow to Teteven | 5,804.93 mi (9,342.13 km) |
| Moscow to Troyan | 5,816.78 mi (9,361.21 km) |
| Moscow to Tryavna | 5,834.59 mi (9,389.86 km) |
| Moscow to Tutrakan | 5,783.38 mi (9,307.45 km) |
| Moscow to Varna | 5,862.24 mi (9,434.37 km) |
