| Cities | Distance |
|---|---|
| Sulmona to Smolyan | 555.35 mi (893.76 km) |
| Sulmona to Sofia | 481.86 mi (775.48 km) |
| Sulmona to Sopot | 553.89 mi (891.39 km) |
| Sulmona to Sozopol | 704.33 mi (1,133.52 km) |
| Sulmona to Sredets | 679.06 mi (1,092.83 km) |
| Sulmona to Stamboliyski | 543.54 mi (874.75 km) |
| Sulmona to Stara Zagora | 599.81 mi (965.29 km) |
| Sulmona to Svilengrad | 630.89 mi (1,015.32 km) |
| Sulmona to Svishtov | 588.40 mi (946.93 km) |
| Sulmona to Targovishte | 647.93 mi (1,042.74 km) |
| Sulmona to Teteven | 529.97 mi (852.90 km) |
| Sulmona to Troyan | 552.61 mi (889.35 km) |
| Sulmona to Tryavna | 592.21 mi (953.08 km) |
| Sulmona to Tutrakan | 654.81 mi (1,053.81 km) |
| Sulmona to Varna | 714.90 mi (1,150.52 km) |