| Lake Ridge to Smolyan | 5,039.64 mi (8,110.52 km) |
| Lake Ridge to Sofia | 4,937.33 mi (7,945.87 km) |
| Lake Ridge to Sopot | 4,997.46 mi (8,042.64 km) |
| Lake Ridge to Sozopol | 5,126.31 mi (8,250.01 km) |
| Lake Ridge to Sredets | 5,109.14 mi (8,222.36 km) |
| Lake Ridge to Stamboliyski | 5,009.97 mi (8,062.77 km) |
| Lake Ridge to Stara Zagora | 5,043.05 mi (8,116.01 km) |
| Lake Ridge to Svilengrad | 5,093.47 mi (8,197.15 km) |
| Lake Ridge to Svishtov | 4,981.68 mi (8,017.24 km) |
| Lake Ridge to Targovishte | 5,046.28 mi (8,121.20 km) |
| Lake Ridge to Teteven | 4,966.80 mi (7,993.29 km) |
| Lake Ridge to Troyan | 4,986.47 mi (8,024.95 km) |
| Lake Ridge to Tryavna | 5,018.87 mi (8,077.09 km) |
| Lake Ridge to Tutrakan | 5,013.94 mi (8,069.16 km) |
| Lake Ridge to Varna | 5,100.61 mi (8,208.63 km) |
