| Catalca to Cascais | 1,998.49 mi (3,216.26 km) |
| Catalca to Castelo Branco | 1,878.80 mi (3,023.63 km) |
| Catalca to Castro Daire | 1,883.34 mi (3,030.95 km) |
| Catalca to Celorico de Basto | 1,879.67 mi (3,025.03 km) |
| Catalca to Chamusca | 1,937.76 mi (3,118.52 km) |
| Catalca to Chaves | 1,848.02 mi (2,974.11 km) |
| Catalca to Cinfaes | 1,890.53 mi (3,042.51 km) |
| Catalca to Coimbra | 1,919.69 mi (3,089.44 km) |
| Catalca to Condeixa-a-Nova | 1,924.91 mi (3,097.85 km) |
| Catalca to Corroios | 1,986.51 mi (3,196.98 km) |
| Catalca to Coruche | 1,947.51 mi (3,134.22 km) |
| Catalca to Costa de Caparica | 1,990.28 mi (3,203.04 km) |
| Catalca to Covilha | 1,870.92 mi (3,010.96 km) |
| Catalca to Eiras | 1,918.90 mi (3,088.17 km) |
| Catalca to Elvas | 1,878.23 mi (3,022.72 km) |
