| Porto Torres to Smolyan | 847.49 mi (1,363.90 km) |
| Porto Torres to Sofia | 778.94 mi (1,253.58 km) |
| Porto Torres to Sopot | 850.70 mi (1,369.07 km) |
| Porto Torres to Sozopol | 1,000.48 mi (1,610.11 km) |
| Porto Torres to Sredets | 974.98 mi (1,569.07 km) |
| Porto Torres to Stamboliyski | 838.51 mi (1,349.44 km) |
| Porto Torres to Stara Zagora | 895.94 mi (1,441.88 km) |
| Porto Torres to Svilengrad | 924.43 mi (1,487.72 km) |
| Porto Torres to Svishtov | 886.47 mi (1,426.63 km) |
| Porto Torres to Targovishte | 945.75 mi (1,522.03 km) |
| Porto Torres to Teteven | 827.45 mi (1,331.66 km) |
| Porto Torres to Troyan | 849.99 mi (1,367.93 km) |
| Porto Torres to Tryavna | 889.50 mi (1,431.51 km) |
| Porto Torres to Tutrakan | 952.75 mi (1,533.30 km) |
| Porto Torres to Varna | 1,012.63 mi (1,629.66 km) |
