| Difficult Run to Arcos de Valdevez | 3,533.60 mi (5,686.78 km) |
| Difficult Run to Arcozelo | 3,542.92 mi (5,701.78 km) |
| Difficult Run to Arganil | 3,593.13 mi (5,782.58 km) |
| Difficult Run to Arouca | 3,565.15 mi (5,737.55 km) |
| Difficult Run to Arruda dos Vinhos | 3,576.42 mi (5,755.69 km) |
| Difficult Run to Aveiro | 3,553.25 mi (5,718.40 km) |
| Difficult Run to Aver-o-Mar | 3,527.84 mi (5,677.50 km) |
| Difficult Run to Aves | 3,549.54 mi (5,712.44 km) |
| Difficult Run to Azambuja | 3,584.05 mi (5,767.96 km) |
| Difficult Run to Baiao | 3,569.38 mi (5,744.37 km) |
| Difficult Run to Barcelos | 3,532.35 mi (5,684.76 km) |
| Difficult Run to Barreiro | 3,585.01 mi (5,769.51 km) |
| Difficult Run to Batalha | 3,571.70 mi (5,748.09 km) |
| Difficult Run to Beja | 3,661.31 mi (5,892.31 km) |
| Difficult Run to Belas | 3,571.90 mi (5,748.42 km) |
