| Opwijk to Castelo Branco | 954.02 mi (1,535.34 km) |
| Opwijk to Castro Daire | 904.69 mi (1,455.96 km) |
| Opwijk to Celorico de Basto | 879.87 mi (1,416.01 km) |
| Opwijk to Chamusca | 1,009.47 mi (1,624.58 km) |
| Opwijk to Chaves | 843.70 mi (1,357.81 km) |
| Opwijk to Cinfaes | 899.69 mi (1,447.91 km) |
| Opwijk to Coimbra | 958.58 mi (1,542.68 km) |
| Opwijk to Condeixa-a-Nova | 966.07 mi (1,554.73 km) |
| Opwijk to Corroios | 1,071.60 mi (1,724.57 km) |
| Opwijk to Coruche | 1,033.55 mi (1,663.35 km) |
| Opwijk to Costa de Caparica | 1,072.36 mi (1,725.80 km) |
| Opwijk to Covilha | 926.92 mi (1,491.74 km) |
| Opwijk to Eiras | 956.67 mi (1,539.61 km) |
| Opwijk to Elvas | 1,000.68 mi (1,610.44 km) |
| Opwijk to Entroncamento | 1,002.36 mi (1,613.14 km) |
