| Lake Monticello to Arcos de Valdevez | 3,611.94 mi (5,812.85 km) |
| Lake Monticello to Arcozelo | 3,620.61 mi (5,826.81 km) |
| Lake Monticello to Arganil | 3,670.31 mi (5,906.79 km) |
| Lake Monticello to Arouca | 3,642.84 mi (5,862.58 km) |
| Lake Monticello to Arruda dos Vinhos | 3,652.35 mi (5,877.89 km) |
| Lake Monticello to Aveiro | 3,630.61 mi (5,842.90 km) |
| Lake Monticello to Aver-o-Mar | 3,605.76 mi (5,802.92 km) |
| Lake Monticello to Aves | 3,627.60 mi (5,838.06 km) |
| Lake Monticello to Azambuja | 3,660.10 mi (5,890.36 km) |
| Lake Monticello to Baiao | 3,647.30 mi (5,869.75 km) |
| Lake Monticello to Barcelos | 3,610.39 mi (5,810.37 km) |
| Lake Monticello to Barreiro | 3,660.67 mi (5,891.29 km) |
| Lake Monticello to Batalha | 3,648.24 mi (5,871.28 km) |
| Lake Monticello to Beja | 3,736.78 mi (6,013.77 km) |
| Lake Monticello to Belas | 3,647.60 mi (5,870.25 km) |
