| Cerkno to Cascais | 1,293.50 mi (2,081.69 km) |
| Cerkno to Castelo Branco | 1,166.13 mi (1,876.71 km) |
| Cerkno to Castro Daire | 1,152.07 mi (1,854.07 km) |
| Cerkno to Celorico de Basto | 1,141.18 mi (1,836.56 km) |
| Cerkno to Chamusca | 1,227.58 mi (1,975.59 km) |
| Cerkno to Chaves | 1,106.25 mi (1,780.34 km) |
| Cerkno to Cinfaes | 1,155.60 mi (1,859.76 km) |
| Cerkno to Coimbra | 1,196.60 mi (1,925.74 km) |
| Cerkno to Condeixa-a-Nova | 1,202.93 mi (1,935.92 km) |
| Cerkno to Corroios | 1,284.26 mi (2,066.82 km) |
| Cerkno to Coruche | 1,243.28 mi (2,000.87 km) |
| Cerkno to Costa de Caparica | 1,287.11 mi (2,071.40 km) |
| Cerkno to Covilha | 1,150.83 mi (1,852.08 km) |
| Cerkno to Eiras | 1,195.37 mi (1,923.76 km) |
| Cerkno to Elvas | 1,183.29 mi (1,904.32 km) |
