| Boulder City to Arcos de Valdevez | 5,344.12 mi (8,600.53 km) |
| Boulder City to Arcozelo | 5,368.08 mi (8,639.09 km) |
| Boulder City to Arganil | 5,427.64 mi (8,734.94 km) |
| Boulder City to Arouca | 5,389.54 mi (8,673.63 km) |
| Boulder City to Arruda dos Vinhos | 5,436.79 mi (8,749.67 km) |
| Boulder City to Aveiro | 5,385.30 mi (8,666.80 km) |
| Boulder City to Aver-o-Mar | 5,348.18 mi (8,607.07 km) |
| Boulder City to Aves | 5,366.03 mi (8,635.79 km) |
| Boulder City to Azambuja | 5,441.83 mi (8,757.78 km) |
| Boulder City to Baiao | 5,388.50 mi (8,671.95 km) |
| Boulder City to Barcelos | 5,349.77 mi (8,609.62 km) |
| Boulder City to Barreiro | 5,450.06 mi (8,771.03 km) |
| Boulder City to Batalha | 5,420.19 mi (8,722.95 km) |
| Boulder City to Beja | 5,527.56 mi (8,895.75 km) |
| Boulder City to Belas | 5,436.73 mi (8,749.57 km) |
