| Busto Garolfo to Smolyan | 836.04 mi (1,345.48 km) |
| Busto Garolfo to Sofia | 741.72 mi (1,193.69 km) |
| Busto Garolfo to Sopot | 810.69 mi (1,304.67 km) |
| Busto Garolfo to Sozopol | 957.61 mi (1,541.12 km) |
| Busto Garolfo to Sredets | 935.13 mi (1,504.95 km) |
| Busto Garolfo to Stamboliyski | 813.12 mi (1,308.59 km) |
| Busto Garolfo to Stara Zagora | 858.86 mi (1,382.20 km) |
| Busto Garolfo to Svilengrad | 901.95 mi (1,451.56 km) |
| Busto Garolfo to Svishtov | 819.58 mi (1,318.99 km) |
| Busto Garolfo to Targovishte | 886.02 mi (1,425.91 km) |
| Busto Garolfo to Teteven | 781.48 mi (1,257.67 km) |
| Busto Garolfo to Troyan | 803.79 mi (1,293.58 km) |
| Busto Garolfo to Tryavna | 841.75 mi (1,354.67 km) |
| Busto Garolfo to Tutrakan | 873.58 mi (1,405.89 km) |
| Busto Garolfo to Varna | 951.07 mi (1,530.60 km) |
