| Mount Vernon to Cascais | 3,342.67 mi (5,379.50 km) |
| Mount Vernon to Castelo Branco | 3,404.68 mi (5,479.31 km) |
| Mount Vernon to Castro Daire | 3,353.89 mi (5,397.56 km) |
| Mount Vernon to Celorico de Basto | 3,337.75 mi (5,371.59 km) |
| Mount Vernon to Chamusca | 3,370.01 mi (5,423.50 km) |
| Mount Vernon to Chaves | 3,353.52 mi (5,396.97 km) |
| Mount Vernon to Cinfaes | 3,338.90 mi (5,373.45 km) |
| Mount Vernon to Coimbra | 3,348.71 mi (5,389.22 km) |
| Mount Vernon to Condeixa-a-Nova | 3,347.87 mi (5,387.87 km) |
| Mount Vernon to Corroios | 3,358.17 mi (5,404.45 km) |
| Mount Vernon to Coruche | 3,379.01 mi (5,437.99 km) |
| Mount Vernon to Costa de Caparica | 3,353.14 mi (5,396.37 km) |
| Mount Vernon to Covilha | 3,391.64 mi (5,458.32 km) |
| Mount Vernon to Eiras | 3,348.11 mi (5,388.26 km) |
| Mount Vernon to Elvas | 3,448.90 mi (5,550.47 km) |
