| Atherton to Arcos de Valdevez | 851.74 mi (1,370.74 km) |
| Atherton to Arcozelo | 907.44 mi (1,460.38 km) |
| Atherton to Arganil | 955.32 mi (1,537.44 km) |
| Atherton to Arouca | 909.96 mi (1,464.44 km) |
| Atherton to Arruda dos Vinhos | 1,051.41 mi (1,692.08 km) |
| Atherton to Aveiro | 935.63 mi (1,505.75 km) |
| Atherton to Aver-o-Mar | 886.30 mi (1,426.36 km) |
| Atherton to Aves | 877.03 mi (1,411.44 km) |
| Atherton to Azambuja | 1,043.09 mi (1,678.69 km) |
| Atherton to Baiao | 891.56 mi (1,434.83 km) |
| Atherton to Barcelos | 876.55 mi (1,410.67 km) |
| Atherton to Barreiro | 1,072.55 mi (1,726.11 km) |
| Atherton to Batalha | 1,003.22 mi (1,614.53 km) |
| Atherton to Beja | 1,100.49 mi (1,771.07 km) |
| Atherton to Belas | 1,068.15 mi (1,719.03 km) |
