| Nelson to Alenquer | 1,070.37 mi (1,722.59 km) |
| Nelson to Alfena | 917.82 mi (1,477.09 km) |
| Nelson to Alijo | 901.04 mi (1,450.09 km) |
| Nelson to Aljustrel | 1,135.44 mi (1,827.32 km) |
| Nelson to Almada | 1,097.02 mi (1,765.48 km) |
| Nelson to Almargem | 1,087.48 mi (1,750.13 km) |
| Nelson to Almeirim | 1,054.87 mi (1,697.64 km) |
| Nelson to Amadora | 1,094.54 mi (1,761.50 km) |
| Nelson to Amarante | 909.41 mi (1,463.56 km) |
| Nelson to Amares | 889.92 mi (1,432.18 km) |
| Nelson to Amora | 1,100.05 mi (1,770.36 km) |
| Nelson to Anadia | 970.01 mi (1,561.08 km) |
| Nelson to Angra do Heroismo | 1,574.48 mi (2,533.88 km) |
| Nelson to Ansiao | 1,004.48 mi (1,616.56 km) |
| Nelson to Anta | 934.58 mi (1,504.06 km) |
