| Mont-de-Marsan to Arcozelo | 458.44 mi (737.79 km) |
| Mont-de-Marsan to Arganil | 462.91 mi (744.98 km) |
| Mont-de-Marsan to Arouca | 444.50 mi (715.36 km) |
| Mont-de-Marsan to Arruda dos Vinhos | 557.92 mi (897.89 km) |
| Mont-de-Marsan to Aveiro | 473.30 mi (761.71 km) |
| Mont-de-Marsan to Aver-o-Mar | 453.73 mi (730.20 km) |
| Mont-de-Marsan to Aves | 430.70 mi (693.15 km) |
| Mont-de-Marsan to Azambuja | 546.01 mi (878.71 km) |
| Mont-de-Marsan to Baiao | 427.02 mi (687.22 km) |
| Mont-de-Marsan to Barcelos | 443.30 mi (713.43 km) |
| Mont-de-Marsan to Barreiro | 572.27 mi (920.99 km) |
| Mont-de-Marsan to Batalha | 518.01 mi (833.66 km) |
| Mont-de-Marsan to Beja | 558.25 mi (898.41 km) |
| Mont-de-Marsan to Belas | 575.63 mi (926.38 km) |
| Mont-de-Marsan to Benavente | 547.79 mi (881.59 km) |
