| Sligo to Arcozelo | 912.83 mi (1,469.06 km) |
| Sligo to Arganil | 970.88 mi (1,562.47 km) |
| Sligo to Arouca | 921.28 mi (1,482.66 km) |
| Sligo to Arruda dos Vinhos | 1,056.33 mi (1,700.01 km) |
| Sligo to Aveiro | 942.01 mi (1,516.02 km) |
| Sligo to Aver-o-Mar | 888.83 mi (1,430.43 km) |
| Sligo to Aves | 886.28 mi (1,426.33 km) |
| Sligo to Azambuja | 1,050.37 mi (1,690.41 km) |
| Sligo to Baiao | 905.36 mi (1,457.03 km) |
| Sligo to Barcelos | 880.96 mi (1,417.77 km) |
| Sligo to Barreiro | 1,078.20 mi (1,735.20 km) |
| Sligo to Batalha | 1,010.02 mi (1,625.48 km) |
| Sligo to Beja | 1,121.98 mi (1,805.65 km) |
| Sligo to Belas | 1,070.98 mi (1,723.58 km) |
| Sligo to Benavente | 1,057.23 mi (1,701.45 km) |
