| Elkton to Smolyan | 4,937.70 mi (7,946.46 km) |
| Elkton to Sofia | 4,835.40 mi (7,781.83 km) |
| Elkton to Sopot | 4,895.56 mi (7,878.64 km) |
| Elkton to Sozopol | 5,024.51 mi (8,086.16 km) |
| Elkton to Sredets | 5,007.30 mi (8,058.47 km) |
| Elkton to Stamboliyski | 4,908.04 mi (7,898.73 km) |
| Elkton to Stara Zagora | 4,941.17 mi (7,952.04 km) |
| Elkton to Svilengrad | 4,991.57 mi (8,033.15 km) |
| Elkton to Svishtov | 4,879.86 mi (7,853.38 km) |
| Elkton to Targovishte | 4,944.49 mi (7,957.38 km) |
| Elkton to Teteven | 4,864.90 mi (7,829.30 km) |
| Elkton to Troyan | 4,884.58 mi (7,860.97 km) |
| Elkton to Tryavna | 4,917.00 mi (7,913.15 km) |
| Elkton to Tutrakan | 4,912.23 mi (7,905.46 km) |
| Elkton to Varna | 4,998.88 mi (8,044.92 km) |
