| Lake Morton-Berrydale to Smolyan | 5,965.60 mi (9,600.71 km) |
| Lake Morton-Berrydale to Sofia | 5,867.60 mi (9,443.00 km) |
| Lake Morton-Berrydale to Sopot | 5,898.13 mi (9,492.13 km) |
| Lake Morton-Berrydale to Sozopol | 5,966.77 mi (9,602.59 km) |
| Lake Morton-Berrydale to Sredets | 5,962.32 mi (9,595.42 km) |
| Lake Morton-Berrydale to Stamboliyski | 5,927.14 mi (9,538.81 km) |
| Lake Morton-Berrydale to Stara Zagora | 5,928.88 mi (9,541.62 km) |
| Lake Morton-Berrydale to Svilengrad | 5,982.00 mi (9,627.10 km) |
| Lake Morton-Berrydale to Svishtov | 5,847.22 mi (9,410.19 km) |
| Lake Morton-Berrydale to Targovishte | 5,893.12 mi (9,484.07 km) |
| Lake Morton-Berrydale to Teteven | 5,871.87 mi (9,449.87 km) |
| Lake Morton-Berrydale to Troyan | 5,882.54 mi (9,467.04 km) |
| Lake Morton-Berrydale to Tryavna | 5,898.20 mi (9,492.24 km) |
| Lake Morton-Berrydale to Tutrakan | 5,842.01 mi (9,401.80 km) |
| Lake Morton-Berrydale to Varna | 5,918.54 mi (9,524.98 km) |
