| Middlesex to Arcos de Valdevez | 3,347.27 mi (5,386.92 km) |
| Middlesex to Arcozelo | 3,357.33 mi (5,403.09 km) |
| Middlesex to Arganil | 3,408.13 mi (5,484.85 km) |
| Middlesex to Arouca | 3,379.56 mi (5,438.87 km) |
| Middlesex to Arruda dos Vinhos | 3,392.97 mi (5,460.46 km) |
| Middlesex to Aveiro | 3,368.04 mi (5,420.34 km) |
| Middlesex to Aver-o-Mar | 3,341.97 mi (5,378.38 km) |
| Middlesex to Aves | 3,363.53 mi (5,413.07 km) |
| Middlesex to Azambuja | 3,400.44 mi (5,472.49 km) |
| Middlesex to Baiao | 3,383.53 mi (5,445.27 km) |
| Middlesex to Barcelos | 3,346.35 mi (5,385.42 km) |
| Middlesex to Barreiro | 3,401.90 mi (5,474.83 km) |
| Middlesex to Batalha | 3,387.48 mi (5,451.62 km) |
| Middlesex to Beja | 3,478.43 mi (5,597.99 km) |
| Middlesex to Belas | 3,388.75 mi (5,453.66 km) |
