| Somerset to Arcos de Valdevez | 3,349.16 mi (5,389.96 km) |
| Somerset to Arcozelo | 3,359.14 mi (5,406.01 km) |
| Somerset to Arganil | 3,409.88 mi (5,487.68 km) |
| Somerset to Arouca | 3,381.37 mi (5,441.79 km) |
| Somerset to Arruda dos Vinhos | 3,394.59 mi (5,463.06 km) |
| Somerset to Aveiro | 3,369.82 mi (5,423.20 km) |
| Somerset to Aver-o-Mar | 3,343.81 mi (5,381.35 km) |
| Somerset to Aves | 3,365.38 mi (5,416.06 km) |
| Somerset to Azambuja | 3,402.07 mi (5,475.10 km) |
| Somerset to Baiao | 3,385.37 mi (5,448.23 km) |
| Somerset to Barcelos | 3,348.20 mi (5,388.41 km) |
| Somerset to Barreiro | 3,403.48 mi (5,477.38 km) |
| Somerset to Batalha | 3,389.16 mi (5,454.33 km) |
| Somerset to Beja | 3,480.00 mi (5,600.52 km) |
| Somerset to Belas | 3,390.34 mi (5,456.22 km) |
