| Cumbernauld to Cascais | 1,217.36 mi (1,959.15 km) |
| Cumbernauld to Castelo Branco | 1,125.77 mi (1,811.76 km) |
| Cumbernauld to Castro Daire | 1,054.65 mi (1,697.30 km) |
| Cumbernauld to Celorico de Basto | 1,022.15 mi (1,645.00 km) |
| Cumbernauld to Chamusca | 1,164.88 mi (1,874.69 km) |
| Cumbernauld to Chaves | 993.76 mi (1,599.31 km) |
| Cumbernauld to Cinfaes | 1,042.56 mi (1,677.84 km) |
| Cumbernauld to Coimbra | 1,105.65 mi (1,779.37 km) |
| Cumbernauld to Condeixa-a-Nova | 1,112.68 mi (1,790.68 km) |
| Cumbernauld to Corroios | 1,220.72 mi (1,964.57 km) |
| Cumbernauld to Coruche | 1,192.08 mi (1,918.47 km) |
| Cumbernauld to Costa de Caparica | 1,219.45 mi (1,962.52 km) |
| Cumbernauld to Covilha | 1,093.78 mi (1,760.27 km) |
| Cumbernauld to Eiras | 1,103.49 mi (1,775.90 km) |
| Cumbernauld to Elvas | 1,188.88 mi (1,913.31 km) |
