| Janakkala to Smolyan | 1,335.81 mi (2,149.78 km) |
| Janakkala to Sofia | 1,259.85 mi (2,027.54 km) |
| Janakkala to Sopot | 1,262.11 mi (2,031.18 km) |
| Janakkala to Sozopol | 1,284.55 mi (2,067.29 km) |
| Janakkala to Sredets | 1,287.25 mi (2,071.63 km) |
| Janakkala to Stamboliyski | 1,297.82 mi (2,088.63 km) |
| Janakkala to Stara Zagora | 1,277.76 mi (2,056.36 km) |
| Janakkala to Svilengrad | 1,324.74 mi (2,131.96 km) |
| Janakkala to Svishtov | 1,195.66 mi (1,924.23 km) |
| Janakkala to Targovishte | 1,223.28 mi (1,968.67 km) |
| Janakkala to Teteven | 1,243.78 mi (2,001.67 km) |
| Janakkala to Troyan | 1,245.99 mi (2,005.23 km) |
| Janakkala to Tryavna | 1,247.62 mi (2,007.85 km) |
| Janakkala to Tutrakan | 1,168.18 mi (1,880.01 km) |
| Janakkala to Varna | 1,230.42 mi (1,980.18 km) |
