| Grammichele to Smolyan | 615.70 mi (990.88 km) |
| Grammichele to Sofia | 595.79 mi (958.82 km) |
| Grammichele to Sopot | 653.58 mi (1,051.84 km) |
| Grammichele to Sozopol | 779.73 mi (1,254.85 km) |
| Grammichele to Sredets | 754.49 mi (1,214.23 km) |
| Grammichele to Stamboliyski | 625.86 mi (1,007.23 km) |
| Grammichele to Stara Zagora | 685.87 mi (1,103.79 km) |
| Grammichele to Svilengrad | 691.35 mi (1,112.62 km) |
| Grammichele to Svishtov | 715.44 mi (1,151.39 km) |
| Grammichele to Targovishte | 754.49 mi (1,214.23 km) |
| Grammichele to Teteven | 643.12 mi (1,035.00 km) |
| Grammichele to Troyan | 660.77 mi (1,063.41 km) |
| Grammichele to Tryavna | 693.90 mi (1,116.72 km) |
| Grammichele to Tutrakan | 784.57 mi (1,262.64 km) |
| Grammichele to Varna | 812.77 mi (1,308.03 km) |
