| Grande-Synthe to Castelo Branco | 906.29 mi (1,458.53 km) |
| Grande-Synthe to Castro Daire | 852.70 mi (1,372.28 km) |
| Grande-Synthe to Celorico de Basto | 826.29 mi (1,329.79 km) |
| Grande-Synthe to Chamusca | 959.76 mi (1,544.58 km) |
| Grande-Synthe to Chaves | 790.75 mi (1,272.59 km) |
| Grande-Synthe to Cinfaes | 846.51 mi (1,362.32 km) |
| Grande-Synthe to Coimbra | 906.89 mi (1,459.50 km) |
| Grande-Synthe to Condeixa-a-Nova | 914.41 mi (1,471.60 km) |
| Grande-Synthe to Corroios | 1,021.61 mi (1,644.13 km) |
| Grande-Synthe to Coruche | 984.64 mi (1,584.62 km) |
| Grande-Synthe to Costa de Caparica | 1,022.06 mi (1,644.85 km) |
| Grande-Synthe to Covilha | 878.00 mi (1,413.00 km) |
| Grande-Synthe to Eiras | 904.92 mi (1,456.32 km) |
| Grande-Synthe to Elvas | 956.40 mi (1,539.17 km) |
| Grande-Synthe to Entroncamento | 952.42 mi (1,532.78 km) |
