| Ronkonkoma to Smolyan | 4,774.80 mi (7,684.30 km) |
| Ronkonkoma to Sofia | 4,672.63 mi (7,519.88 km) |
| Ronkonkoma to Sopot | 4,733.06 mi (7,617.13 km) |
| Ronkonkoma to Sozopol | 4,862.59 mi (7,825.58 km) |
| Ronkonkoma to Sredets | 4,845.24 mi (7,797.66 km) |
| Ronkonkoma to Stamboliyski | 4,745.31 mi (7,636.83 km) |
| Ronkonkoma to Stara Zagora | 4,778.78 mi (7,690.71 km) |
| Ronkonkoma to Svilengrad | 4,829.04 mi (7,771.59 km) |
| Ronkonkoma to Svishtov | 4,717.90 mi (7,592.72 km) |
| Ronkonkoma to Targovishte | 4,782.66 mi (7,696.95 km) |
| Ronkonkoma to Teteven | 4,702.40 mi (7,567.79 km) |
| Ronkonkoma to Troyan | 4,722.17 mi (7,599.60 km) |
| Ronkonkoma to Tryavna | 4,754.76 mi (7,652.04 km) |
| Ronkonkoma to Tutrakan | 4,750.77 mi (7,645.63 km) |
| Ronkonkoma to Varna | 4,837.37 mi (7,785.00 km) |
