| Desborough to Arcos de Valdevez | 813.34 mi (1,308.94 km) |
| Desborough to Arcozelo | 868.19 mi (1,397.22 km) |
| Desborough to Arganil | 911.19 mi (1,466.42 km) |
| Desborough to Arouca | 868.35 mi (1,397.47 km) |
| Desborough to Arruda dos Vinhos | 1,009.79 mi (1,625.10 km) |
| Desborough to Aveiro | 895.43 mi (1,441.06 km) |
| Desborough to Aver-o-Mar | 848.63 mi (1,365.74 km) |
| Desborough to Aves | 836.92 mi (1,346.89 km) |
| Desborough to Azambuja | 1,000.69 mi (1,610.45 km) |
| Desborough to Baiao | 849.36 mi (1,366.91 km) |
| Desborough to Barcelos | 838.36 mi (1,349.20 km) |
| Desborough to Barreiro | 1,030.34 mi (1,658.16 km) |
| Desborough to Batalha | 961.65 mi (1,547.62 km) |
| Desborough to Beja | 1,051.85 mi (1,692.79 km) |
| Desborough to Belas | 1,027.09 mi (1,652.94 km) |
