| Ilmajoki to Smolyan | 1,463.89 mi (2,355.90 km) |
| Ilmajoki to Sofia | 1,384.50 mi (2,228.13 km) |
| Ilmajoki to Sopot | 1,390.40 mi (2,237.63 km) |
| Ilmajoki to Sozopol | 1,419.03 mi (2,283.71 km) |
| Ilmajoki to Sredets | 1,420.78 mi (2,286.53 km) |
| Ilmajoki to Stamboliyski | 1,425.53 mi (2,294.18 km) |
| Ilmajoki to Stara Zagora | 1,408.11 mi (2,266.13 km) |
| Ilmajoki to Svilengrad | 1,456.16 mi (2,343.47 km) |
| Ilmajoki to Svishtov | 1,325.49 mi (2,133.18 km) |
| Ilmajoki to Targovishte | 1,355.78 mi (2,181.92 km) |
| Ilmajoki to Teteven | 1,370.88 mi (2,206.23 km) |
| Ilmajoki to Troyan | 1,374.21 mi (2,211.58 km) |
| Ilmajoki to Tryavna | 1,377.69 mi (2,217.18 km) |
| Ilmajoki to Tutrakan | 1,300.93 mi (2,093.65 km) |
| Ilmajoki to Varna | 1,365.49 mi (2,197.55 km) |
