| Prudhoe to Arcos de Valdevez | 953.84 mi (1,535.06 km) |
| Prudhoe to Arcozelo | 1,009.59 mi (1,624.78 km) |
| Prudhoe to Arganil | 1,057.86 mi (1,702.46 km) |
| Prudhoe to Arouca | 1,012.34 mi (1,629.20 km) |
| Prudhoe to Arruda dos Vinhos | 1,153.72 mi (1,856.73 km) |
| Prudhoe to Aveiro | 1,037.86 mi (1,670.27 km) |
| Prudhoe to Aver-o-Mar | 988.29 mi (1,590.50 km) |
| Prudhoe to Aves | 979.29 mi (1,576.01 km) |
| Prudhoe to Azambuja | 1,145.47 mi (1,843.46 km) |
| Prudhoe to Baiao | 993.99 mi (1,599.68 km) |
| Prudhoe to Barcelos | 978.61 mi (1,574.92 km) |
| Prudhoe to Barreiro | 1,174.91 mi (1,890.83 km) |
| Prudhoe to Batalha | 1,105.55 mi (1,779.21 km) |
| Prudhoe to Beja | 1,203.19 mi (1,936.35 km) |
| Prudhoe to Belas | 1,170.40 mi (1,883.58 km) |
