| Cabeceiras de Basto to Smolyan | 1,681.22 mi (2,705.65 km) |
| Cabeceiras de Basto to Sofia | 1,599.37 mi (2,573.94 km) |
| Cabeceiras de Basto to Sopot | 1,671.26 mi (2,689.63 km) |
| Cabeceiras de Basto to Sozopol | 1,822.05 mi (2,932.31 km) |
| Cabeceiras de Basto to Sredets | 1,797.77 mi (2,893.23 km) |
| Cabeceiras de Basto to Stamboliyski | 1,666.00 mi (2,681.16 km) |
| Cabeceiras de Basto to Stara Zagora | 1,718.86 mi (2,766.23 km) |
| Cabeceiras de Basto to Svilengrad | 1,754.80 mi (2,824.07 km) |
| Cabeceiras de Basto to Svishtov | 1,692.33 mi (2,723.54 km) |
| Cabeceiras de Basto to Targovishte | 1,756.97 mi (2,827.57 km) |
| Cabeceiras de Basto to Teteven | 1,644.38 mi (2,646.37 km) |
| Cabeceiras de Basto to Troyan | 1,667.25 mi (2,683.19 km) |
| Cabeceiras de Basto to Tryavna | 1,706.67 mi (2,746.62 km) |
| Cabeceiras de Basto to Tutrakan | 1,751.59 mi (2,818.92 km) |
| Cabeceiras de Basto to Varna | 1,823.70 mi (2,934.96 km) |
