| Mablethorpe to Arcos de Valdevez | 889.67 mi (1,431.79 km) |
| Mablethorpe to Arcozelo | 944.41 mi (1,519.89 km) |
| Mablethorpe to Arganil | 986.80 mi (1,588.10 km) |
| Mablethorpe to Arouca | 944.32 mi (1,519.73 km) |
| Mablethorpe to Arruda dos Vinhos | 1,085.66 mi (1,747.21 km) |
| Mablethorpe to Aveiro | 971.54 mi (1,563.54 km) |
| Mablethorpe to Aver-o-Mar | 925.00 mi (1,488.65 km) |
| Mablethorpe to Aves | 913.07 mi (1,469.45 km) |
| Mablethorpe to Azambuja | 1,076.47 mi (1,732.40 km) |
| Mablethorpe to Baiao | 925.27 mi (1,489.08 km) |
| Mablethorpe to Barcelos | 914.69 mi (1,472.05 km) |
| Mablethorpe to Barreiro | 1,106.12 mi (1,780.13 km) |
| Mablethorpe to Batalha | 1,037.56 mi (1,669.79 km) |
| Mablethorpe to Beja | 1,126.59 mi (1,813.06 km) |
| Mablethorpe to Belas | 1,103.02 mi (1,775.15 km) |
