| Great Falls to Arcos de Valdevez | 4,676.56 mi (7,526.20 km) |
| Great Falls to Arcozelo | 4,706.89 mi (7,575.01 km) |
| Great Falls to Arganil | 4,769.51 mi (7,675.78 km) |
| Great Falls to Arouca | 4,727.41 mi (7,608.03 km) |
| Great Falls to Arruda dos Vinhos | 4,792.02 mi (7,712.01 km) |
| Great Falls to Aveiro | 4,727.05 mi (7,607.46 km) |
| Great Falls to Aver-o-Mar | 4,685.18 mi (7,540.07 km) |
| Great Falls to Aves | 4,700.70 mi (7,565.05 km) |
| Great Falls to Azambuja | 4,795.50 mi (7,717.62 km) |
| Great Falls to Baiao | 4,723.84 mi (7,602.28 km) |
| Great Falls to Barcelos | 4,685.32 mi (7,540.30 km) |
| Great Falls to Barreiro | 4,807.53 mi (7,736.97 km) |
| Great Falls to Batalha | 4,769.46 mi (7,675.70 km) |
| Great Falls to Beja | 4,883.68 mi (7,859.52 km) |
| Great Falls to Belas | 4,794.42 mi (7,715.87 km) |
