| Alcaniz to Smolyan | 1,284.78 mi (2,067.65 km) |
| Alcaniz to Sofia | 1,208.57 mi (1,945.01 km) |
| Alcaniz to Sopot | 1,280.79 mi (2,061.23 km) |
| Alcaniz to Sozopol | 1,431.78 mi (2,304.23 km) |
| Alcaniz to Sredets | 1,406.84 mi (2,264.09 km) |
| Alcaniz to Stamboliyski | 1,272.40 mi (2,047.72 km) |
| Alcaniz to Stara Zagora | 1,327.55 mi (2,136.49 km) |
| Alcaniz to Svilengrad | 1,360.18 mi (2,189.00 km) |
| Alcaniz to Svishtov | 1,308.37 mi (2,105.62 km) |
| Alcaniz to Targovishte | 1,371.07 mi (2,206.53 km) |
| Alcaniz to Teteven | 1,255.35 mi (2,020.29 km) |
| Alcaniz to Troyan | 1,278.21 mi (2,057.08 km) |
| Alcaniz to Tryavna | 1,317.88 mi (2,120.92 km) |
| Alcaniz to Tutrakan | 1,371.06 mi (2,206.52 km) |
| Alcaniz to Varna | 1,438.22 mi (2,314.59 km) |
