| Pirkkala to Smolyan | 1,374.51 mi (2,212.06 km) |
| Pirkkala to Sofia | 1,296.72 mi (2,086.87 km) |
| Pirkkala to Sopot | 1,300.90 mi (2,093.60 km) |
| Pirkkala to Sozopol | 1,326.87 mi (2,135.39 km) |
| Pirkkala to Sredets | 1,329.00 mi (2,138.82 km) |
| Pirkkala to Stamboliyski | 1,336.31 mi (2,150.59 km) |
| Pirkkala to Stara Zagora | 1,317.69 mi (2,120.61 km) |
| Pirkkala to Svilengrad | 1,365.28 mi (2,197.20 km) |
| Pirkkala to Svishtov | 1,235.28 mi (1,987.99 km) |
| Pirkkala to Targovishte | 1,264.41 mi (2,034.87 km) |
| Pirkkala to Teteven | 1,281.93 mi (2,063.07 km) |
| Pirkkala to Troyan | 1,284.74 mi (2,067.59 km) |
| Pirkkala to Tryavna | 1,287.38 mi (2,071.85 km) |
| Pirkkala to Tutrakan | 1,209.45 mi (1,946.42 km) |
| Pirkkala to Varna | 1,273.09 mi (2,048.84 km) |
