| Hyvinkaa to Smolyan | 1,316.24 mi (2,118.29 km) |
| Hyvinkaa to Sofia | 1,240.70 mi (1,996.71 km) |
| Hyvinkaa to Sopot | 1,242.53 mi (1,999.66 km) |
| Hyvinkaa to Sozopol | 1,264.30 mi (2,034.70 km) |
| Hyvinkaa to Sredets | 1,267.09 mi (2,039.19 km) |
| Hyvinkaa to Stamboliyski | 1,278.30 mi (2,057.22 km) |
| Hyvinkaa to Stara Zagora | 1,257.95 mi (2,024.47 km) |
| Hyvinkaa to Svilengrad | 1,304.80 mi (2,099.87 km) |
| Hyvinkaa to Svishtov | 1,175.92 mi (1,892.45 km) |
| Hyvinkaa to Targovishte | 1,203.23 mi (1,936.42 km) |
| Hyvinkaa to Teteven | 1,224.34 mi (1,970.39 km) |
| Hyvinkaa to Troyan | 1,226.42 mi (1,973.73 km) |
| Hyvinkaa to Tryavna | 1,227.84 mi (1,976.02 km) |
| Hyvinkaa to Tutrakan | 1,148.12 mi (1,847.72 km) |
| Hyvinkaa to Varna | 1,210.12 mi (1,947.50 km) |
