| Holt to Arcos de Valdevez | 3,752.18 mi (6,038.55 km) |
| Holt to Arcozelo | 3,768.36 mi (6,064.60 km) |
| Holt to Arganil | 3,823.41 mi (6,153.18 km) |
| Holt to Arouca | 3,790.44 mi (6,100.12 km) |
| Holt to Arruda dos Vinhos | 3,818.98 mi (6,146.05 km) |
| Holt to Aveiro | 3,782.02 mi (6,086.57 km) |
| Holt to Aver-o-Mar | 3,750.90 mi (6,036.48 km) |
| Holt to Aves | 3,771.02 mi (6,068.87 km) |
| Holt to Azambuja | 3,825.40 mi (6,156.38 km) |
| Holt to Baiao | 3,792.26 mi (6,103.06 km) |
| Holt to Barcelos | 3,754.09 mi (6,041.63 km) |
| Holt to Barreiro | 3,829.93 mi (6,163.68 km) |
| Holt to Batalha | 3,808.45 mi (6,129.11 km) |
| Holt to Beja | 3,907.40 mi (6,288.35 km) |
| Holt to Belas | 3,816.61 mi (6,142.24 km) |
