| Heiloo to Bombarral | 1,132.82 mi (1,823.10 km) |
| Heiloo to Bougado | 995.41 mi (1,601.96 km) |
| Heiloo to Braga | 979.17 mi (1,575.83 km) |
| Heiloo to Braganca | 917.57 mi (1,476.68 km) |
| Heiloo to Cabeceiras de Basto | 968.50 mi (1,558.66 km) |
| Heiloo to Cacem | 1,166.57 mi (1,877.41 km) |
| Heiloo to Cadaval | 1,133.36 mi (1,823.97 km) |
| Heiloo to Caldas da Rainha | 1,124.06 mi (1,809.00 km) |
| Heiloo to Calheta | 1,752.28 mi (2,820.03 km) |
| Heiloo to Camara de Lobos | 1,748.32 mi (2,813.65 km) |
| Heiloo to Canico | 1,747.62 mi (2,812.52 km) |
| Heiloo to Cantanhede | 1,053.77 mi (1,695.87 km) |
| Heiloo to Carregal do Sal | 1,032.22 mi (1,661.20 km) |
| Heiloo to Cartaxo | 1,129.69 mi (1,818.06 km) |
| Heiloo to Cascais | 1,173.73 mi (1,888.94 km) |
