| Trenton to Smolyan | 4,867.34 mi (7,833.22 km) |
| Trenton to Sofia | 4,765.05 mi (7,668.61 km) |
| Trenton to Sopot | 4,825.24 mi (7,765.47 km) |
| Trenton to Sozopol | 4,954.26 mi (7,973.11 km) |
| Trenton to Sredets | 4,937.04 mi (7,945.39 km) |
| Trenton to Stamboliyski | 4,837.70 mi (7,785.52 km) |
| Trenton to Stara Zagora | 4,870.86 mi (7,838.89 km) |
| Trenton to Svilengrad | 4,921.24 mi (7,919.97 km) |
| Trenton to Svishtov | 4,809.61 mi (7,740.32 km) |
| Trenton to Targovishte | 4,874.26 mi (7,844.36 km) |
| Trenton to Teteven | 4,794.58 mi (7,716.12 km) |
| Trenton to Troyan | 4,814.27 mi (7,747.81 km) |
| Trenton to Tryavna | 4,846.71 mi (7,800.03 km) |
| Trenton to Tutrakan | 4,842.06 mi (7,792.54 km) |
| Trenton to Varna | 4,928.70 mi (7,931.98 km) |
