| Heiloo to Castelo Branco | 1,055.75 mi (1,699.07 km) |
| Heiloo to Castro Daire | 1,002.94 mi (1,614.07 km) |
| Heiloo to Celorico de Basto | 976.68 mi (1,571.82 km) |
| Heiloo to Chamusca | 1,109.68 mi (1,785.85 km) |
| Heiloo to Chaves | 941.08 mi (1,514.52 km) |
| Heiloo to Cinfaes | 996.87 mi (1,604.31 km) |
| Heiloo to Coimbra | 1,057.11 mi (1,701.25 km) |
| Heiloo to Condeixa-a-Nova | 1,064.62 mi (1,713.35 km) |
| Heiloo to Corroios | 1,171.60 mi (1,885.51 km) |
| Heiloo to Coruche | 1,134.41 mi (1,825.65 km) |
| Heiloo to Costa de Caparica | 1,172.10 mi (1,886.32 km) |
| Heiloo to Covilha | 1,027.72 mi (1,653.96 km) |
| Heiloo to Eiras | 1,055.14 mi (1,698.09 km) |
| Heiloo to Elvas | 1,104.88 mi (1,778.13 km) |
| Heiloo to Entroncamento | 1,102.38 mi (1,774.11 km) |
