| New Carrollton to Cascais | 3,541.74 mi (5,699.89 km) |
| New Carrollton to Castelo Branco | 3,606.10 mi (5,803.46 km) |
| New Carrollton to Castro Daire | 3,556.45 mi (5,723.55 km) |
| New Carrollton to Celorico de Basto | 3,540.85 mi (5,698.45 km) |
| New Carrollton to Chamusca | 3,570.41 mi (5,746.01 km) |
| New Carrollton to Chaves | 3,557.20 mi (5,724.76 km) |
| New Carrollton to Cinfaes | 3,541.63 mi (5,699.70 km) |
| New Carrollton to Coimbra | 3,550.24 mi (5,713.56 km) |
| New Carrollton to Condeixa-a-Nova | 3,549.25 mi (5,711.97 km) |
| New Carrollton to Corroios | 3,557.25 mi (5,724.85 km) |
| New Carrollton to Coruche | 3,578.86 mi (5,759.63 km) |
| New Carrollton to Costa de Caparica | 3,552.23 mi (5,716.77 km) |
| New Carrollton to Covilha | 3,593.64 mi (5,783.40 km) |
| New Carrollton to Eiras | 3,549.68 mi (5,712.66 km) |
| New Carrollton to Elvas | 3,649.27 mi (5,872.93 km) |
