| Amurrio to Smolyan | 1,412.43 mi (2,273.09 km) |
| Amurrio to Sofia | 1,327.97 mi (2,137.16 km) |
| Amurrio to Sopot | 1,399.55 mi (2,252.36 km) |
| Amurrio to Sozopol | 1,549.96 mi (2,494.43 km) |
| Amurrio to Sredets | 1,525.99 mi (2,455.84 km) |
| Amurrio to Stamboliyski | 1,395.70 mi (2,246.17 km) |
| Amurrio to Stara Zagora | 1,447.39 mi (2,329.35 km) |
| Amurrio to Svilengrad | 1,484.82 mi (2,389.58 km) |
| Amurrio to Svishtov | 1,418.40 mi (2,282.70 km) |
| Amurrio to Targovishte | 1,483.49 mi (2,387.44 km) |
| Amurrio to Teteven | 1,372.16 mi (2,208.28 km) |
| Amurrio to Troyan | 1,395.00 mi (2,245.03 km) |
| Amurrio to Tryavna | 1,434.24 mi (2,308.18 km) |
| Amurrio to Tutrakan | 1,476.75 mi (2,376.60 km) |
| Amurrio to Varna | 1,549.99 mi (2,494.46 km) |
