| Houma to Arcos de Valdevez | 4,518.74 mi (7,272.20 km) |
| Houma to Arcozelo | 4,525.44 mi (7,282.99 km) |
| Houma to Arganil | 4,573.42 mi (7,360.21 km) |
| Houma to Arouca | 4,547.63 mi (7,318.71 km) |
| Houma to Arruda dos Vinhos | 4,551.03 mi (7,324.17 km) |
| Houma to Aveiro | 4,534.37 mi (7,297.36 km) |
| Houma to Aver-o-Mar | 4,511.35 mi (7,260.31 km) |
| Houma to Aves | 4,533.56 mi (7,296.06 km) |
| Houma to Azambuja | 4,559.23 mi (7,337.36 km) |
| Houma to Baiao | 4,552.79 mi (7,327.01 km) |
| Houma to Barcelos | 4,516.34 mi (7,268.34 km) |
| Houma to Barreiro | 4,558.34 mi (7,335.95 km) |
| Houma to Batalha | 4,549.18 mi (7,321.20 km) |
| Houma to Beja | 4,633.58 mi (7,457.02 km) |
| Houma to Belas | 4,545.42 mi (7,315.15 km) |
