| Witham to Arcos de Valdevez | 808.55 mi (1,301.24 km) |
| Witham to Arcozelo | 862.20 mi (1,387.58 km) |
| Witham to Arganil | 900.79 mi (1,449.68 km) |
| Witham to Arouca | 860.40 mi (1,384.67 km) |
| Witham to Arruda dos Vinhos | 1,000.79 mi (1,610.62 km) |
| Witham to Aveiro | 888.43 mi (1,429.79 km) |
| Witham to Aver-o-Mar | 844.10 mi (1,358.46 km) |
| Witham to Aves | 830.49 mi (1,336.55 km) |
| Witham to Azambuja | 991.10 mi (1,595.02 km) |
| Witham to Baiao | 841.09 mi (1,353.60 km) |
| Witham to Barcelos | 833.49 mi (1,341.38 km) |
| Witham to Barreiro | 1,020.71 mi (1,642.68 km) |
| Witham to Batalha | 953.01 mi (1,533.71 km) |
| Witham to Beja | 1,036.71 mi (1,668.43 km) |
| Witham to Belas | 1,018.44 mi (1,639.03 km) |
