| Niel to Alfena | 916.24 mi (1,474.54 km) |
| Niel to Alijo | 881.64 mi (1,418.86 km) |
| Niel to Aljustrel | 1,097.15 mi (1,765.70 km) |
| Niel to Almada | 1,080.06 mi (1,738.19 km) |
| Niel to Almargem | 1,073.73 mi (1,728.00 km) |
| Niel to Almeirim | 1,034.10 mi (1,664.22 km) |
| Niel to Amadora | 1,079.20 mi (1,736.80 km) |
| Niel to Amarante | 900.29 mi (1,448.87 km) |
| Niel to Amares | 889.48 mi (1,431.48 km) |
| Niel to Amora | 1,082.03 mi (1,741.36 km) |
| Niel to Anadia | 958.12 mi (1,541.95 km) |
| Niel to Angra do Heroismo | 1,748.92 mi (2,814.62 km) |
| Niel to Ansiao | 987.44 mi (1,589.13 km) |
| Niel to Anta | 932.07 mi (1,500.02 km) |
| Niel to Arcos de Valdevez | 879.76 mi (1,415.84 km) |
