| Keuruu to Smolyan | 1,428.50 mi (2,298.96 km) |
| Keuruu to Sofia | 1,352.52 mi (2,176.67 km) |
| Keuruu to Sopot | 1,354.80 mi (2,180.35 km) |
| Keuruu to Sozopol | 1,376.37 mi (2,215.06 km) |
| Keuruu to Sredets | 1,379.31 mi (2,219.78 km) |
| Keuruu to Stamboliyski | 1,390.52 mi (2,237.83 km) |
| Keuruu to Stara Zagora | 1,370.32 mi (2,205.31 km) |
| Keuruu to Svilengrad | 1,417.16 mi (2,280.70 km) |
| Keuruu to Svishtov | 1,288.27 mi (2,073.27 km) |
| Keuruu to Targovishte | 1,315.55 mi (2,117.17 km) |
| Keuruu to Teteven | 1,336.50 mi (2,150.88 km) |
| Keuruu to Troyan | 1,338.68 mi (2,154.40 km) |
| Keuruu to Tryavna | 1,340.20 mi (2,156.85 km) |
| Keuruu to Tutrakan | 1,260.42 mi (2,028.45 km) |
| Keuruu to Varna | 1,322.08 mi (2,127.69 km) |
