| Billdal to Cascais | 1,619.63 mi (2,606.54 km) |
| Billdal to Castelo Branco | 1,502.35 mi (2,417.80 km) |
| Billdal to Castro Daire | 1,448.62 mi (2,331.33 km) |
| Billdal to Celorico de Basto | 1,421.78 mi (2,288.13 km) |
| Billdal to Chamusca | 1,555.94 mi (2,504.05 km) |
| Billdal to Chaves | 1,386.48 mi (2,231.33 km) |
| Billdal to Cinfaes | 1,442.11 mi (2,320.85 km) |
| Billdal to Coimbra | 1,502.85 mi (2,418.60 km) |
| Billdal to Condeixa-a-Nova | 1,510.37 mi (2,430.70 km) |
| Billdal to Corroios | 1,617.77 mi (2,603.56 km) |
| Billdal to Coruche | 1,580.83 mi (2,544.10 km) |
| Billdal to Costa de Caparica | 1,618.19 mi (2,604.23 km) |
| Billdal to Covilha | 1,474.17 mi (2,372.45 km) |
| Billdal to Eiras | 1,500.86 mi (2,415.40 km) |
| Billdal to Elvas | 1,551.50 mi (2,496.89 km) |
