| Forssa to Smolyan | 1,329.67 mi (2,139.90 km) |
| Forssa to Sofia | 1,251.80 mi (2,014.58 km) |
| Forssa to Sopot | 1,256.07 mi (2,021.46 km) |
| Forssa to Sozopol | 1,282.68 mi (2,064.28 km) |
| Forssa to Sredets | 1,284.66 mi (2,067.46 km) |
| Forssa to Stamboliyski | 1,291.46 mi (2,078.40 km) |
| Forssa to Stara Zagora | 1,272.99 mi (2,048.68 km) |
| Forssa to Svilengrad | 1,320.67 mi (2,125.42 km) |
| Forssa to Svishtov | 1,190.54 mi (1,916.00 km) |
| Forssa to Targovishte | 1,219.93 mi (1,963.29 km) |
| Forssa to Teteven | 1,237.06 mi (1,990.85 km) |
| Forssa to Troyan | 1,239.91 mi (1,995.44 km) |
| Forssa to Tryavna | 1,242.67 mi (1,999.88 km) |
| Forssa to Tutrakan | 1,165.00 mi (1,874.89 km) |
| Forssa to Varna | 1,229.02 mi (1,977.92 km) |
