| Martha Lake to Arcos de Valdevez | 5,042.26 mi (8,114.73 km) |
| Martha Lake to Arcozelo | 5,076.87 mi (8,170.43 km) |
| Martha Lake to Arganil | 5,141.00 mi (8,273.64 km) |
| Martha Lake to Arouca | 5,096.50 mi (8,202.02 km) |
| Martha Lake to Arruda dos Vinhos | 5,172.37 mi (8,324.13 km) |
| Martha Lake to Aveiro | 5,098.91 mi (8,205.90 km) |
| Martha Lake to Aver-o-Mar | 5,054.10 mi (8,133.78 km) |
| Martha Lake to Aves | 5,067.78 mi (8,155.80 km) |
| Martha Lake to Azambuja | 5,174.79 mi (8,328.03 km) |
| Martha Lake to Baiao | 5,091.15 mi (8,193.41 km) |
| Martha Lake to Barcelos | 5,053.20 mi (8,132.33 km) |
| Martha Lake to Barreiro | 5,189.20 mi (8,351.21 km) |
| Martha Lake to Batalha | 5,146.05 mi (8,281.77 km) |
| Martha Lake to Beja | 5,263.70 mi (8,471.11 km) |
| Martha Lake to Belas | 5,176.37 mi (8,330.56 km) |
