| Maryland City to Smolyan | 5,000.47 mi (8,047.49 km) |
| Maryland City to Sofia | 4,898.14 mi (7,882.79 km) |
| Maryland City to Sopot | 4,958.22 mi (7,979.49 km) |
| Maryland City to Sozopol | 5,087.00 mi (8,186.73 km) |
| Maryland City to Sredets | 5,069.84 mi (8,159.12 km) |
| Maryland City to Stamboliyski | 4,970.77 mi (7,999.69 km) |
| Maryland City to Stara Zagora | 5,003.80 mi (8,052.84 km) |
| Maryland City to Svilengrad | 5,054.24 mi (8,134.01 km) |
| Maryland City to Svishtov | 4,942.37 mi (7,953.98 km) |
| Maryland City to Targovishte | 5,006.96 mi (8,057.92 km) |
| Maryland City to Teteven | 4,927.56 mi (7,930.14 km) |
| Maryland City to Troyan | 4,947.22 mi (7,961.78 km) |
| Maryland City to Tryavna | 4,979.59 mi (8,013.88 km) |
| Maryland City to Tutrakan | 4,974.58 mi (8,005.82 km) |
| Maryland City to Varna | 5,061.25 mi (8,145.29 km) |
