| Maryland Heights to Smolyan | 5,554.59 mi (8,939.25 km) |
| Maryland Heights to Sofia | 5,450.53 mi (8,771.79 km) |
| Maryland Heights to Sopot | 5,505.04 mi (8,859.50 km) |
| Maryland Heights to Sozopol | 5,622.57 mi (9,048.66 km) |
| Maryland Heights to Sredets | 5,608.08 mi (9,025.33 km) |
| Maryland Heights to Stamboliyski | 5,521.96 mi (8,886.73 km) |
| Maryland Heights to Stara Zagora | 5,548.23 mi (8,929.02 km) |
| Maryland Heights to Svilengrad | 5,600.72 mi (9,013.49 km) |
| Maryland Heights to Svishtov | 5,480.08 mi (8,819.33 km) |
| Maryland Heights to Targovishte | 5,541.85 mi (8,918.75 km) |
| Maryland Heights to Teteven | 5,474.61 mi (8,810.53 km) |
| Maryland Heights to Troyan | 5,492.60 mi (8,839.49 km) |
| Maryland Heights to Tryavna | 5,521.76 mi (8,886.41 km) |
| Maryland Heights to Tutrakan | 5,503.86 mi (8,857.61 km) |
| Maryland Heights to Varna | 5,590.49 mi (8,997.02 km) |
