| Marshfield to Arcos de Valdevez | 3,936.86 mi (6,335.77 km) |
| Marshfield to Arcozelo | 3,957.14 mi (6,368.40 km) |
| Marshfield to Arganil | 4,014.72 mi (6,461.07 km) |
| Marshfield to Arouca | 3,978.95 mi (6,403.50 km) |
| Marshfield to Arruda dos Vinhos | 4,017.82 mi (6,466.05 km) |
| Marshfield to Aveiro | 3,972.72 mi (6,393.48 km) |
| Marshfield to Aver-o-Mar | 3,938.34 mi (6,338.15 km) |
| Marshfield to Aves | 3,957.34 mi (6,368.72 km) |
| Marshfield to Azambuja | 4,023.46 mi (6,475.13 km) |
| Marshfield to Baiao | 3,979.28 mi (6,404.03 km) |
| Marshfield to Barcelos | 3,940.71 mi (6,341.96 km) |
| Marshfield to Barreiro | 4,030.13 mi (6,485.87 km) |
| Marshfield to Batalha | 4,003.83 mi (6,443.54 km) |
| Marshfield to Beja | 4,107.76 mi (6,610.81 km) |
| Marshfield to Belas | 4,016.78 mi (6,464.38 km) |
