| Big Lake to Smolyan | 5,333.41 mi (8,583.29 km) |
| Big Lake to Sofia | 5,229.21 mi (8,415.59 km) |
| Big Lake to Sopot | 5,278.08 mi (8,494.25 km) |
| Big Lake to Sozopol | 5,384.46 mi (8,665.45 km) |
| Big Lake to Sredets | 5,372.40 mi (8,646.04 km) |
| Big Lake to Stamboliyski | 5,298.60 mi (8,527.28 km) |
| Big Lake to Stara Zagora | 5,318.64 mi (8,559.52 km) |
| Big Lake to Svilengrad | 5,372.21 mi (8,645.73 km) |
| Big Lake to Svishtov | 5,245.64 mi (8,442.04 km) |
| Big Lake to Targovishte | 5,304.23 mi (8,536.33 km) |
| Big Lake to Teteven | 5,248.26 mi (8,446.25 km) |
| Big Lake to Troyan | 5,264.56 mi (8,472.50 km) |
| Big Lake to Tryavna | 5,290.56 mi (8,514.34 km) |
| Big Lake to Tutrakan | 5,262.07 mi (8,468.49 km) |
| Big Lake to Varna | 5,347.53 mi (8,606.01 km) |
