| Mersch to Arcozelo | 930.97 mi (1,498.26 km) |
| Mersch to Arganil | 952.14 mi (1,532.32 km) |
| Mersch to Arouca | 922.59 mi (1,484.77 km) |
| Mersch to Arruda dos Vinhos | 1,051.95 mi (1,692.94 km) |
| Mersch to Aveiro | 952.25 mi (1,532.49 km) |
| Mersch to Aver-o-Mar | 918.90 mi (1,478.82 km) |
| Mersch to Aves | 899.74 mi (1,447.99 km) |
| Mersch to Azambuja | 1,040.63 mi (1,674.73 km) |
| Mersch to Baiao | 903.36 mi (1,453.82 km) |
| Mersch to Barcelos | 907.81 mi (1,460.98 km) |
| Mersch to Barreiro | 1,068.78 mi (1,720.03 km) |
| Mersch to Batalha | 1,007.72 mi (1,621.76 km) |
| Mersch to Beja | 1,064.23 mi (1,712.71 km) |
| Mersch to Belas | 1,070.03 mi (1,722.05 km) |
| Mersch to Benavente | 1,043.65 mi (1,679.59 km) |
