| Lake Ronkonkoma to Smolyan | 4,773.22 mi (7,681.75 km) |
| Lake Ronkonkoma to Sofia | 4,671.05 mi (7,517.32 km) |
| Lake Ronkonkoma to Sopot | 4,731.46 mi (7,614.56 km) |
| Lake Ronkonkoma to Sozopol | 4,860.97 mi (7,822.97 km) |
| Lake Ronkonkoma to Sredets | 4,843.62 mi (7,795.05 km) |
| Lake Ronkonkoma to Stamboliyski | 4,743.72 mi (7,634.27 km) |
| Lake Ronkonkoma to Stara Zagora | 4,777.18 mi (7,688.12 km) |
| Lake Ronkonkoma to Svilengrad | 4,827.44 mi (7,769.02 km) |
| Lake Ronkonkoma to Svishtov | 4,716.28 mi (7,590.12 km) |
| Lake Ronkonkoma to Targovishte | 4,781.03 mi (7,694.33 km) |
| Lake Ronkonkoma to Teteven | 4,700.80 mi (7,565.21 km) |
| Lake Ronkonkoma to Troyan | 4,720.57 mi (7,597.02 km) |
| Lake Ronkonkoma to Tryavna | 4,753.15 mi (7,649.45 km) |
| Lake Ronkonkoma to Tutrakan | 4,749.13 mi (7,642.99 km) |
| Lake Ronkonkoma to Varna | 4,835.74 mi (7,782.37 km) |
