| Alcobendas to Smolyan | 1,471.29 mi (2,367.82 km) |
| Alcobendas to Sofia | 1,394.82 mi (2,244.75 km) |
| Alcobendas to Sopot | 1,467.03 mi (2,360.95 km) |
| Alcobendas to Sozopol | 1,618.05 mi (2,604.00 km) |
| Alcobendas to Sredets | 1,593.15 mi (2,563.93 km) |
| Alcobendas to Stamboliyski | 1,458.84 mi (2,347.78 km) |
| Alcobendas to Stara Zagora | 1,513.87 mi (2,436.34 km) |
| Alcobendas to Svilengrad | 1,546.67 mi (2,489.13 km) |
| Alcobendas to Svishtov | 1,493.87 mi (2,404.15 km) |
| Alcobendas to Targovishte | 1,556.87 mi (2,505.53 km) |
| Alcobendas to Teteven | 1,441.45 mi (2,319.79 km) |
| Alcobendas to Troyan | 1,464.32 mi (2,356.59 km) |
| Alcobendas to Tryavna | 1,503.97 mi (2,420.41 km) |
| Alcobendas to Tutrakan | 1,556.08 mi (2,504.27 km) |
| Alcobendas to Varna | 1,623.99 mi (2,613.56 km) |
