| Hakkila to Smolyan | 1,292.34 mi (2,079.82 km) |
| Hakkila to Sofia | 1,217.05 mi (1,958.65 km) |
| Hakkila to Sopot | 1,218.62 mi (1,961.18 km) |
| Hakkila to Sozopol | 1,240.13 mi (1,995.79 km) |
| Hakkila to Sredets | 1,242.94 mi (2,000.31 km) |
| Hakkila to Stamboliyski | 1,254.42 mi (2,018.79 km) |
| Hakkila to Stara Zagora | 1,233.91 mi (1,985.79 km) |
| Hakkila to Svilengrad | 1,280.71 mi (2,061.11 km) |
| Hakkila to Svishtov | 1,151.92 mi (1,853.83 km) |
| Hakkila to Targovishte | 1,179.11 mi (1,897.60 km) |
| Hakkila to Teteven | 1,200.51 mi (1,932.03 km) |
| Hakkila to Troyan | 1,202.51 mi (1,935.26 km) |
| Hakkila to Tryavna | 1,203.82 mi (1,937.37 km) |
| Hakkila to Tutrakan | 1,123.99 mi (1,808.88 km) |
| Hakkila to Varna | 1,185.94 mi (1,908.58 km) |
