| Euclid to Cascais | 3,698.49 mi (5,952.14 km) |
| Euclid to Castelo Branco | 3,753.35 mi (6,040.43 km) |
| Euclid to Castro Daire | 3,698.75 mi (5,952.56 km) |
| Euclid to Celorico de Basto | 3,680.65 mi (5,923.43 km) |
| Euclid to Chamusca | 3,721.97 mi (5,989.94 km) |
| Euclid to Chaves | 3,694.09 mi (5,945.06 km) |
| Euclid to Cinfaes | 3,683.21 mi (5,927.56 km) |
| Euclid to Coimbra | 3,697.15 mi (5,949.99 km) |
| Euclid to Condeixa-a-Nova | 3,696.80 mi (5,949.42 km) |
| Euclid to Corroios | 3,713.93 mi (5,976.99 km) |
| Euclid to Coruche | 3,732.56 mi (6,006.98 km) |
| Euclid to Costa de Caparica | 3,708.92 mi (5,968.92 km) |
| Euclid to Covilha | 3,738.42 mi (6,016.41 km) |
| Euclid to Eiras | 3,696.42 mi (5,948.81 km) |
| Euclid to Elvas | 3,800.76 mi (6,116.73 km) |
