| Los Barrios to Smolyan | 1,656.64 mi (2,666.11 km) |
| Los Barrios to Sofia | 1,593.23 mi (2,564.06 km) |
| Los Barrios to Sopot | 1,664.60 mi (2,678.92 km) |
| Los Barrios to Sozopol | 1,813.32 mi (2,918.25 km) |
| Los Barrios to Sredets | 1,787.61 mi (2,876.89 km) |
| Los Barrios to Stamboliyski | 1,650.54 mi (2,656.29 km) |
| Los Barrios to Stara Zagora | 1,709.01 mi (2,750.39 km) |
| Los Barrios to Svilengrad | 1,734.56 mi (2,791.51 km) |
| Los Barrios to Svishtov | 1,701.88 mi (2,738.91 km) |
| Los Barrios to Targovishte | 1,760.73 mi (2,833.63 km) |
| Los Barrios to Teteven | 1,642.11 mi (2,642.72 km) |
| Los Barrios to Troyan | 1,664.51 mi (2,678.77 km) |
| Los Barrios to Tryavna | 1,703.87 mi (2,742.12 km) |
| Los Barrios to Tutrakan | 1,768.15 mi (2,845.56 km) |
| Los Barrios to Varna | 1,827.46 mi (2,941.01 km) |
