| Shelton to Smolyan | 4,754.27 mi (7,651.26 km) |
| Shelton to Sofia | 4,651.94 mi (7,486.58 km) |
| Shelton to Sopot | 4,712.07 mi (7,583.35 km) |
| Shelton to Sozopol | 4,841.02 mi (7,790.87 km) |
| Shelton to Sredets | 4,823.81 mi (7,763.17 km) |
| Shelton to Stamboliyski | 4,724.58 mi (7,603.48 km) |
| Shelton to Stara Zagora | 4,757.68 mi (7,656.74 km) |
| Shelton to Svilengrad | 4,808.08 mi (7,737.86 km) |
| Shelton to Svishtov | 4,696.37 mi (7,558.08 km) |
| Shelton to Targovishte | 4,761.01 mi (7,662.10 km) |
| Shelton to Teteven | 4,681.41 mi (7,534.00 km) |
| Shelton to Troyan | 4,701.09 mi (7,565.67 km) |
| Shelton to Tryavna | 4,733.51 mi (7,617.84 km) |
| Shelton to Tutrakan | 4,728.79 mi (7,610.25 km) |
| Shelton to Varna | 4,815.44 mi (7,749.70 km) |
