| Barton upon Irwell to Arcos de Valdevez | 850.74 mi (1,369.13 km) |
| Barton upon Irwell to Arcozelo | 906.40 mi (1,458.71 km) |
| Barton upon Irwell to Arganil | 953.97 mi (1,535.27 km) |
| Barton upon Irwell to Arouca | 908.77 mi (1,462.52 km) |
| Barton upon Irwell to Arruda dos Vinhos | 1,050.26 mi (1,690.23 km) |
| Barton upon Irwell to Aveiro | 934.54 mi (1,503.99 km) |
| Barton upon Irwell to Aver-o-Mar | 885.36 mi (1,424.85 km) |
| Barton upon Irwell to Aves | 875.92 mi (1,409.66 km) |
| Barton upon Irwell to Azambuja | 1,041.88 mi (1,676.75 km) |
| Barton upon Irwell to Baiao | 890.32 mi (1,432.84 km) |
| Barton upon Irwell to Barcelos | 875.57 mi (1,409.10 km) |
| Barton upon Irwell to Barreiro | 1,071.37 mi (1,724.20 km) |
| Barton upon Irwell to Batalha | 1,002.06 mi (1,612.67 km) |
| Barton upon Irwell to Beja | 1,098.88 mi (1,768.48 km) |
| Barton upon Irwell to Belas | 1,067.05 mi (1,717.24 km) |
