| Nairn to Arcos de Valdevez | 1,105.66 mi (1,779.39 km) |
| Nairn to Arcozelo | 1,161.47 mi (1,869.21 km) |
| Nairn to Arganil | 1,214.40 mi (1,954.39 km) |
| Nairn to Arouca | 1,166.75 mi (1,877.71 km) |
| Nairn to Arruda dos Vinhos | 1,306.42 mi (2,102.48 km) |
| Nairn to Aveiro | 1,190.38 mi (1,915.74 km) |
| Nairn to Aver-o-Mar | 1,138.76 mi (1,832.66 km) |
| Nairn to Aves | 1,132.55 mi (1,822.67 km) |
| Nairn to Azambuja | 1,299.14 mi (2,090.76 km) |
| Nairn to Baiao | 1,149.29 mi (1,849.60 km) |
| Nairn to Barcelos | 1,129.81 mi (1,818.25 km) |
| Nairn to Barreiro | 1,328.05 mi (2,137.29 km) |
| Nairn to Batalha | 1,258.75 mi (2,025.76 km) |
| Nairn to Beja | 1,363.16 mi (2,193.79 km) |
| Nairn to Belas | 1,322.29 mi (2,128.02 km) |
