| Mount Vernon to Smolyan | 4,799.30 mi (7,723.73 km) |
| Mount Vernon to Sofia | 4,696.98 mi (7,559.05 km) |
| Mount Vernon to Sopot | 4,757.09 mi (7,655.80 km) |
| Mount Vernon to Sozopol | 4,886.01 mi (7,863.27 km) |
| Mount Vernon to Sredets | 4,868.81 mi (7,835.58 km) |
| Mount Vernon to Stamboliyski | 4,769.61 mi (7,675.95 km) |
| Mount Vernon to Stara Zagora | 4,802.69 mi (7,729.18 km) |
| Mount Vernon to Svilengrad | 4,853.10 mi (7,810.31 km) |
| Mount Vernon to Svishtov | 4,741.36 mi (7,630.49 km) |
| Mount Vernon to Targovishte | 4,805.99 mi (7,734.49 km) |
| Mount Vernon to Teteven | 4,726.43 mi (7,606.46 km) |
| Mount Vernon to Troyan | 4,746.11 mi (7,638.12 km) |
| Mount Vernon to Tryavna | 4,778.52 mi (7,690.28 km) |
| Mount Vernon to Tutrakan | 4,773.74 mi (7,682.59 km) |
| Mount Vernon to Varna | 4,860.39 mi (7,822.04 km) |
