| Lisbon to Smolyan | 1,786.92 mi (2,875.77 km) |
| Lisbon to Sofia | 1,712.25 mi (2,755.60 km) |
| Lisbon to Sopot | 1,784.46 mi (2,871.82 km) |
| Lisbon to Sozopol | 1,935.40 mi (3,114.73 km) |
| Lisbon to Sredets | 1,910.37 mi (3,074.44 km) |
| Lisbon to Stamboliyski | 1,775.47 mi (2,857.34 km) |
| Lisbon to Stara Zagora | 1,831.07 mi (2,946.82 km) |
| Lisbon to Svilengrad | 1,862.87 mi (2,998.00 km) |
| Lisbon to Svishtov | 1,812.35 mi (2,916.70 km) |
| Lisbon to Targovishte | 1,875.07 mi (3,017.63 km) |
| Lisbon to Teteven | 1,759.21 mi (2,831.17 km) |
| Lisbon to Troyan | 1,782.06 mi (2,867.94 km) |
| Lisbon to Tryavna | 1,821.73 mi (2,931.79 km) |
| Lisbon to Tutrakan | 1,874.85 mi (3,017.27 km) |
| Lisbon to Varna | 1,942.22 mi (3,125.70 km) |
