| Lake in the Hills to Smolyan | 5,304.59 mi (8,536.92 km) |
| Lake in the Hills to Sofia | 5,200.40 mi (8,369.23 km) |
| Lake in the Hills to Sopot | 5,253.85 mi (8,455.25 km) |
| Lake in the Hills to Sozopol | 5,369.40 mi (8,641.21 km) |
| Lake in the Hills to Sredets | 5,355.33 mi (8,618.58 km) |
| Lake in the Hills to Stamboliyski | 5,271.49 mi (8,483.64 km) |
| Lake in the Hills to Stara Zagora | 5,296.58 mi (8,524.02 km) |
| Lake in the Hills to Svilengrad | 5,349.32 mi (8,608.90 km) |
| Lake in the Hills to Svishtov | 5,227.45 mi (8,412.76 km) |
| Lake in the Hills to Targovishte | 5,288.69 mi (8,511.32 km) |
| Lake in the Hills to Teteven | 5,223.51 mi (8,406.42 km) |
| Lake in the Hills to Troyan | 5,241.19 mi (8,434.88 km) |
| Lake in the Hills to Tryavna | 5,269.78 mi (8,480.88 km) |
| Lake in the Hills to Tutrakan | 5,249.92 mi (8,448.93 km) |
| Lake in the Hills to Varna | 5,336.41 mi (8,588.13 km) |
