| Cypress Lake to Cascais | 4,193.38 mi (6,748.59 km) |
| Cypress Lake to Castelo Branco | 4,277.38 mi (6,883.77 km) |
| Cypress Lake to Castro Daire | 4,239.53 mi (6,822.87 km) |
| Cypress Lake to Celorico de Basto | 4,229.52 mi (6,806.76 km) |
| Cypress Lake to Chamusca | 4,233.04 mi (6,812.42 km) |
| Cypress Lake to Chaves | 4,251.47 mi (6,842.08 km) |
| Cypress Lake to Cinfaes | 4,226.57 mi (6,802.00 km) |
| Cypress Lake to Coimbra | 4,223.61 mi (6,797.24 km) |
| Cypress Lake to Condeixa-a-Nova | 4,221.27 mi (6,793.47 km) |
| Cypress Lake to Corroios | 4,208.64 mi (6,773.15 km) |
| Cypress Lake to Coruche | 4,236.49 mi (6,817.96 km) |
| Cypress Lake to Costa de Caparica | 4,203.73 mi (6,765.25 km) |
| Cypress Lake to Covilha | 4,270.53 mi (6,872.76 km) |
| Cypress Lake to Eiras | 4,223.45 mi (6,796.98 km) |
| Cypress Lake to Elvas | 4,310.07 mi (6,936.40 km) |
