| Valkeakoski to Smolyan | 1,360.28 mi (2,189.15 km) |
| Valkeakoski to Sofia | 1,283.17 mi (2,065.06 km) |
| Valkeakoski to Sopot | 1,286.63 mi (2,070.63 km) |
| Valkeakoski to Sozopol | 1,311.28 mi (2,110.30 km) |
| Valkeakoski to Sredets | 1,313.63 mi (2,114.08 km) |
| Valkeakoski to Stamboliyski | 1,322.15 mi (2,127.80 km) |
| Valkeakoski to Stara Zagora | 1,302.99 mi (2,096.96 km) |
| Valkeakoski to Svilengrad | 1,350.36 mi (2,173.19 km) |
| Valkeakoski to Svishtov | 1,220.70 mi (1,964.52 km) |
| Valkeakoski to Targovishte | 1,249.26 mi (2,010.50 km) |
| Valkeakoski to Teteven | 1,267.90 mi (2,040.49 km) |
| Valkeakoski to Troyan | 1,270.48 mi (2,044.65 km) |
| Valkeakoski to Tryavna | 1,272.75 mi (2,048.29 km) |
| Valkeakoski to Tutrakan | 1,194.25 mi (1,921.95 km) |
| Valkeakoski to Varna | 1,257.37 mi (2,023.54 km) |
