| Helston to Benavente | 788.40 mi (1,268.81 km) |
| Helston to Bombarral | 772.08 mi (1,242.55 km) |
| Helston to Bougado | 625.74 mi (1,007.03 km) |
| Helston to Braga | 609.74 mi (981.28 km) |
| Helston to Braganca | 577.43 mi (929.28 km) |
| Helston to Cabeceiras de Basto | 606.39 mi (975.88 km) |
| Helston to Cacem | 807.44 mi (1,299.44 km) |
| Helston to Cadaval | 773.77 mi (1,245.26 km) |
| Helston to Caldas da Rainha | 762.49 mi (1,227.10 km) |
| Helston to Calheta | 1,345.61 mi (2,165.54 km) |
| Helston to Camara de Lobos | 1,343.25 mi (2,161.75 km) |
| Helston to Canico | 1,343.80 mi (2,162.64 km) |
| Helston to Cantanhede | 692.88 mi (1,115.08 km) |
| Helston to Carregal do Sal | 680.84 mi (1,095.71 km) |
| Helston to Cartaxo | 775.81 mi (1,248.55 km) |
