| San Juan de Aznalfarache to Smolyan | 1,654.88 mi (2,663.28 km) |
| San Juan de Aznalfarache to Sofia | 1,587.01 mi (2,554.05 km) |
| San Juan de Aznalfarache to Sopot | 1,658.88 mi (2,669.71 km) |
| San Juan de Aznalfarache to Sozopol | 1,808.76 mi (2,910.92 km) |
| San Juan de Aznalfarache to Sredets | 1,783.26 mi (2,869.88 km) |
| San Juan de Aznalfarache to Stamboliyski | 1,646.71 mi (2,650.13 km) |
| San Juan de Aznalfarache to Stara Zagora | 1,704.22 mi (2,742.68 km) |
| San Juan de Aznalfarache to Svilengrad | 1,732.22 mi (2,787.73 km) |
| San Juan de Aznalfarache to Svishtov | 1,692.75 mi (2,724.21 km) |
| San Juan de Aznalfarache to Targovishte | 1,753.17 mi (2,821.45 km) |
| San Juan de Aznalfarache to Teteven | 1,635.29 mi (2,631.75 km) |
| San Juan de Aznalfarache to Troyan | 1,657.92 mi (2,668.16 km) |
| San Juan de Aznalfarache to Tryavna | 1,697.49 mi (2,731.84 km) |
| San Juan de Aznalfarache to Tutrakan | 1,757.79 mi (2,828.88 km) |
| San Juan de Aznalfarache to Varna | 1,820.19 mi (2,929.31 km) |
