| Senigallia to Smolyan | 601.22 mi (967.57 km) |
| Senigallia to Sofia | 513.70 mi (826.72 km) |
| Senigallia to Sopot | 585.13 mi (941.67 km) |
| Senigallia to Sozopol | 735.52 mi (1,183.70 km) |
| Senigallia to Sredets | 711.54 mi (1,145.11 km) |
| Senigallia to Stamboliyski | 582.30 mi (937.13 km) |
| Senigallia to Stara Zagora | 633.03 mi (1,018.76 km) |
| Senigallia to Svilengrad | 671.60 mi (1,080.83 km) |
| Senigallia to Svishtov | 605.85 mi (975.03 km) |
| Senigallia to Targovishte | 670.08 mi (1,078.38 km) |
| Senigallia to Teteven | 557.72 mi (897.57 km) |
| Senigallia to Troyan | 580.57 mi (934.33 km) |
| Senigallia to Tryavna | 619.86 mi (997.57 km) |
| Senigallia to Tutrakan | 666.92 mi (1,073.30 km) |
| Senigallia to Varna | 736.92 mi (1,185.96 km) |
