| Algeciras to Smolyan | 1,656.59 mi (2,666.03 km) |
| Algeciras to Sofia | 1,593.40 mi (2,564.33 km) |
| Algeciras to Sopot | 1,664.74 mi (2,679.14 km) |
| Algeciras to Sozopol | 1,813.39 mi (2,918.37 km) |
| Algeciras to Sredets | 1,787.68 mi (2,876.99 km) |
| Algeciras to Stamboliyski | 1,650.59 mi (2,656.37 km) |
| Algeciras to Stara Zagora | 1,709.10 mi (2,750.54 km) |
| Algeciras to Svilengrad | 1,734.53 mi (2,791.46 km) |
| Algeciras to Svishtov | 1,702.18 mi (2,739.39 km) |
| Algeciras to Targovishte | 1,760.95 mi (2,833.98 km) |
| Algeciras to Teteven | 1,642.30 mi (2,643.03 km) |
| Algeciras to Troyan | 1,664.69 mi (2,679.06 km) |
| Algeciras to Tryavna | 1,704.04 mi (2,742.39 km) |
| Algeciras to Tutrakan | 1,768.50 mi (2,846.13 km) |
| Algeciras to Varna | 1,827.66 mi (2,941.33 km) |
