| Mastic to Arcos de Valdevez | 3,261.58 mi (5,249.00 km) |
| Mastic to Arcozelo | 3,271.26 mi (5,264.59 km) |
| Mastic to Arganil | 3,321.81 mi (5,345.93 km) |
| Mastic to Arouca | 3,293.49 mi (5,300.36 km) |
| Mastic to Arruda dos Vinhos | 3,306.11 mi (5,320.66 km) |
| Mastic to Aveiro | 3,281.81 mi (5,281.56 km) |
| Mastic to Aver-o-Mar | 3,256.04 mi (5,240.08 km) |
| Mastic to Aves | 3,277.67 mi (5,274.90 km) |
| Mastic to Azambuja | 3,313.62 mi (5,332.76 km) |
| Mastic to Baiao | 3,297.59 mi (5,306.96 km) |
| Mastic to Barcelos | 3,260.48 mi (5,247.23 km) |
| Mastic to Barreiro | 3,314.93 mi (5,334.87 km) |
| Mastic to Batalha | 3,300.86 mi (5,312.22 km) |
| Mastic to Beja | 3,391.40 mi (5,457.94 km) |
| Mastic to Belas | 3,301.79 mi (5,313.72 km) |
