| Sliven to Arcozelo | 1,790.06 mi (2,880.82 km) |
| Sliven to Arganil | 1,776.62 mi (2,859.19 km) |
| Sliven to Arouca | 1,772.45 mi (2,852.49 km) |
| Sliven to Arruda dos Vinhos | 1,854.43 mi (2,984.41 km) |
| Sliven to Aveiro | 1,798.51 mi (2,894.42 km) |
| Sliven to Aver-o-Mar | 1,790.32 mi (2,881.25 km) |
| Sliven to Aves | 1,766.18 mi (2,842.39 km) |
| Sliven to Azambuja | 1,842.39 mi (2,965.04 km) |
| Sliven to Baiao | 1,757.59 mi (2,828.57 km) |
| Sliven to Barcelos | 1,780.73 mi (2,865.81 km) |
| Sliven to Barreiro | 1,861.80 mi (2,996.28 km) |
| Sliven to Batalha | 1,826.11 mi (2,938.84 km) |
| Sliven to Beja | 1,817.11 mi (2,924.35 km) |
| Sliven to Belas | 1,869.63 mi (3,008.88 km) |
| Sliven to Benavente | 1,841.30 mi (2,963.28 km) |
