| Heerlen to Arcozelo | 973.51 mi (1,566.72 km) |
| Heerlen to Arganil | 998.82 mi (1,607.45 km) |
| Heerlen to Arouca | 966.59 mi (1,555.57 km) |
| Heerlen to Arruda dos Vinhos | 1,099.36 mi (1,769.25 km) |
| Heerlen to Aveiro | 996.11 mi (1,603.08 km) |
| Heerlen to Aver-o-Mar | 959.92 mi (1,544.84 km) |
| Heerlen to Aves | 941.90 mi (1,515.84 km) |
| Heerlen to Azambuja | 1,088.33 mi (1,751.50 km) |
| Heerlen to Baiao | 947.17 mi (1,524.33 km) |
| Heerlen to Barcelos | 948.85 mi (1,527.02 km) |
| Heerlen to Barreiro | 1,116.98 mi (1,797.60 km) |
| Heerlen to Batalha | 1,054.05 mi (1,696.33 km) |
| Heerlen to Beja | 1,116.76 mi (1,797.25 km) |
| Heerlen to Belas | 1,117.47 mi (1,798.39 km) |
| Heerlen to Benavente | 1,091.77 mi (1,757.03 km) |
