| San Marcos to Cascais | 5,652.55 mi (9,096.91 km) |
| San Marcos to Castelo Branco | 5,688.44 mi (9,154.66 km) |
| San Marcos to Castro Daire | 5,625.10 mi (9,052.72 km) |
| San Marcos to Celorico de Basto | 5,602.29 mi (9,016.01 km) |
| San Marcos to Chamusca | 5,666.06 mi (9,118.64 km) |
| San Marcos to Chaves | 5,609.29 mi (9,027.28 km) |
| San Marcos to Cinfaes | 5,608.47 mi (9,025.96 km) |
| San Marcos to Coimbra | 5,632.77 mi (9,065.07 km) |
| San Marcos to Condeixa-a-Nova | 5,633.67 mi (9,066.52 km) |
| San Marcos to Corroios | 5,667.60 mi (9,121.12 km) |
| San Marcos to Coruche | 5,680.45 mi (9,141.81 km) |
| San Marcos to Costa de Caparica | 5,662.69 mi (9,113.22 km) |
| San Marcos to Covilha | 5,668.92 mi (9,123.25 km) |
| San Marcos to Eiras | 5,631.71 mi (9,063.37 km) |
| San Marcos to Elvas | 5,743.19 mi (9,242.78 km) |
