| Mount Washington to Arcos de Valdevez | 3,951.99 mi (6,360.11 km) |
| Mount Washington to Arcozelo | 3,963.97 mi (6,379.40 km) |
| Mount Washington to Arganil | 4,016.08 mi (6,463.26 km) |
| Mount Washington to Arouca | 3,986.19 mi (6,415.15 km) |
| Mount Washington to Arruda dos Vinhos | 4,003.71 mi (6,443.34 km) |
| Mount Washington to Aveiro | 3,975.57 mi (6,398.06 km) |
| Mount Washington to Aver-o-Mar | 3,947.95 mi (6,353.62 km) |
| Mount Washington to Aves | 3,969.09 mi (6,387.64 km) |
| Mount Washington to Azambuja | 4,010.93 mi (6,454.97 km) |
| Mount Washington to Baiao | 3,989.51 mi (6,420.50 km) |
| Mount Washington to Barcelos | 3,951.97 mi (6,360.08 km) |
| Mount Washington to Barreiro | 4,013.11 mi (6,458.48 km) |
| Mount Washington to Batalha | 3,996.95 mi (6,432.47 km) |
| Mount Washington to Beja | 4,089.92 mi (6,582.10 km) |
| Mount Washington to Belas | 3,999.91 mi (6,437.23 km) |
