| Fort Madison to Arcos de Valdevez | 4,127.67 mi (6,642.85 km) |
| Fort Madison to Arcozelo | 4,144.61 mi (6,670.10 km) |
| Fort Madison to Arganil | 4,200.09 mi (6,759.38 km) |
| Fort Madison to Arouca | 4,166.65 mi (6,705.57 km) |
| Fort Madison to Arruda dos Vinhos | 4,196.67 mi (6,753.88 km) |
| Fort Madison to Aveiro | 4,158.58 mi (6,692.59 km) |
| Fort Madison to Aver-o-Mar | 4,126.90 mi (6,641.61 km) |
| Fort Madison to Aves | 4,146.83 mi (6,673.68 km) |
| Fort Madison to Azambuja | 4,203.00 mi (6,764.08 km) |
| Fort Madison to Baiao | 4,168.21 mi (6,708.08 km) |
| Fort Madison to Barcelos | 4,129.95 mi (6,646.51 km) |
| Fort Madison to Barreiro | 4,207.78 mi (6,771.76 km) |
| Fort Madison to Batalha | 4,185.71 mi (6,736.25 km) |
| Fort Madison to Beja | 4,285.28 mi (6,896.49 km) |
| Fort Madison to Belas | 4,194.45 mi (6,750.31 km) |
