| Iernut to Arcos de Valdevez | 1,637.50 mi (2,635.30 km) |
| Iernut to Arcozelo | 1,669.55 mi (2,686.88 km) |
| Iernut to Arganil | 1,666.04 mi (2,681.23 km) |
| Iernut to Arouca | 1,654.21 mi (2,662.19 km) |
| Iernut to Arruda dos Vinhos | 1,752.70 mi (2,820.69 km) |
| Iernut to Aveiro | 1,682.12 mi (2,707.11 km) |
| Iernut to Aver-o-Mar | 1,666.06 mi (2,681.26 km) |
| Iernut to Aves | 1,642.75 mi (2,643.75 km) |
| Iernut to Azambuja | 1,740.51 mi (2,801.08 km) |
| Iernut to Baiao | 1,637.59 mi (2,635.44 km) |
| Iernut to Barcelos | 1,655.74 mi (2,664.66 km) |
| Iernut to Barreiro | 1,763.07 mi (2,837.38 km) |
| Iernut to Batalha | 1,718.84 mi (2,766.21 km) |
| Iernut to Beja | 1,728.55 mi (2,781.83 km) |
| Iernut to Belas | 1,769.19 mi (2,847.24 km) |
