| Cangas de Narcea to Smolyan | 1,588.97 mi (2,557.19 km) |
| Cangas de Narcea to Sofia | 1,503.20 mi (2,419.16 km) |
| Cangas de Narcea to Sopot | 1,574.52 mi (2,533.94 km) |
| Cangas de Narcea to Sozopol | 1,724.55 mi (2,775.40 km) |
| Cangas de Narcea to Sredets | 1,700.81 mi (2,737.19 km) |
| Cangas de Narcea to Stamboliyski | 1,571.54 mi (2,529.14 km) |
| Cangas de Narcea to Stara Zagora | 1,622.48 mi (2,611.13 km) |
| Cangas de Narcea to Svilengrad | 1,660.75 mi (2,672.72 km) |
| Cangas de Narcea to Svishtov | 1,591.41 mi (2,561.13 km) |
| Cangas de Narcea to Targovishte | 1,656.92 mi (2,666.55 km) |
| Cangas de Narcea to Teteven | 1,546.79 mi (2,489.31 km) |
| Cangas de Narcea to Troyan | 1,569.57 mi (2,525.98 km) |
| Cangas de Narcea to Tryavna | 1,608.64 mi (2,588.86 km) |
| Cangas de Narcea to Tutrakan | 1,648.53 mi (2,653.06 km) |
| Cangas de Narcea to Varna | 1,723.13 mi (2,773.11 km) |
