| Niksar to Arcos de Valdevez | 2,332.71 mi (3,754.14 km) |
| Niksar to Arcozelo | 2,357.06 mi (3,793.32 km) |
| Niksar to Arganil | 2,342.51 mi (3,769.91 km) |
| Niksar to Arouca | 2,339.27 mi (3,764.70 km) |
| Niksar to Arruda dos Vinhos | 2,418.60 mi (3,892.36 km) |
| Niksar to Aveiro | 2,365.10 mi (3,806.26 km) |
| Niksar to Aver-o-Mar | 2,357.59 mi (3,794.17 km) |
| Niksar to Aves | 2,333.41 mi (3,755.26 km) |
| Niksar to Azambuja | 2,406.63 mi (3,873.09 km) |
| Niksar to Baiao | 2,324.58 mi (3,741.05 km) |
| Niksar to Barcelos | 2,348.04 mi (3,778.81 km) |
| Niksar to Barreiro | 2,425.31 mi (3,903.16 km) |
| Niksar to Batalha | 2,391.39 mi (3,848.56 km) |
| Niksar to Beja | 2,378.24 mi (3,827.41 km) |
| Niksar to Belas | 2,433.49 mi (3,916.32 km) |
