| Somma Vesuviana to Smolyan | 535.25 mi (861.41 km) |
| Somma Vesuviana to Sofia | 474.98 mi (764.41 km) |
| Somma Vesuviana to Sopot | 545.15 mi (877.33 km) |
| Somma Vesuviana to Sozopol | 692.33 mi (1,114.19 km) |
| Somma Vesuviana to Sredets | 666.53 mi (1,072.67 km) |
| Somma Vesuviana to Stamboliyski | 529.33 mi (851.87 km) |
| Somma Vesuviana to Stara Zagora | 588.38 mi (946.91 km) |
| Somma Vesuviana to Svilengrad | 613.04 mi (986.59 km) |
| Somma Vesuviana to Svishtov | 588.98 mi (947.86 km) |
| Somma Vesuviana to Targovishte | 643.71 mi (1,035.95 km) |
| Somma Vesuviana to Teteven | 524.56 mi (844.20 km) |
| Somma Vesuviana to Troyan | 546.39 mi (879.33 km) |
| Somma Vesuviana to Tryavna | 585.17 mi (941.75 km) |
| Somma Vesuviana to Tutrakan | 657.74 mi (1,058.53 km) |
| Somma Vesuviana to Varna | 709.50 mi (1,141.84 km) |
