| Florham Park to Smolyan | 4,828.42 mi (7,770.60 km) |
| Florham Park to Sofia | 4,726.04 mi (7,605.83 km) |
| Florham Park to Sopot | 4,786.04 mi (7,702.38 km) |
| Florham Park to Sozopol | 4,914.70 mi (7,909.45 km) |
| Florham Park to Sredets | 4,897.56 mi (7,881.87 km) |
| Florham Park to Stamboliyski | 4,798.66 mi (7,722.70 km) |
| Florham Park to Stara Zagora | 4,831.59 mi (7,775.69 km) |
| Florham Park to Svilengrad | 4,882.06 mi (7,856.91 km) |
| Florham Park to Svishtov | 4,770.08 mi (7,676.70 km) |
| Florham Park to Targovishte | 4,834.65 mi (7,780.62 km) |
| Florham Park to Teteven | 4,755.37 mi (7,653.04 km) |
| Florham Park to Troyan | 4,775.01 mi (7,684.64 km) |
| Florham Park to Tryavna | 4,807.35 mi (7,736.68 km) |
| Florham Park to Tutrakan | 4,802.26 mi (7,728.48 km) |
| Florham Park to Varna | 4,888.92 mi (7,867.96 km) |
