| Terracina to Smolyan | 593.05 mi (954.42 km) |
| Terracina to Sofia | 526.47 mi (847.28 km) |
| Terracina to Sopot | 597.81 mi (962.07 km) |
| Terracina to Sozopol | 746.90 mi (1,202.01 km) |
| Terracina to Sredets | 721.29 mi (1,160.80 km) |
| Terracina to Stamboliyski | 584.53 mi (940.71 km) |
| Terracina to Stara Zagora | 642.45 mi (1,033.92 km) |
| Terracina to Svilengrad | 670.07 mi (1,078.38 km) |
| Terracina to Svishtov | 636.95 mi (1,025.07 km) |
| Terracina to Targovishte | 694.35 mi (1,117.45 km) |
| Terracina to Teteven | 575.49 mi (926.17 km) |
| Terracina to Troyan | 597.80 mi (962.07 km) |
| Terracina to Tryavna | 637.11 mi (1,025.33 km) |
| Terracina to Tutrakan | 704.58 mi (1,133.91 km) |
| Terracina to Varna | 760.88 mi (1,224.52 km) |
