| Grande-Synthe to Bombarral | 982.61 mi (1,581.36 km) |
| Grande-Synthe to Bougado | 844.95 mi (1,359.81 km) |
| Grande-Synthe to Braga | 828.71 mi (1,333.68 km) |
| Grande-Synthe to Braganca | 767.54 mi (1,235.24 km) |
| Grande-Synthe to Cabeceiras de Basto | 818.08 mi (1,316.58 km) |
| Grande-Synthe to Cacem | 1,016.45 mi (1,635.82 km) |
| Grande-Synthe to Cadaval | 983.18 mi (1,582.28 km) |
| Grande-Synthe to Caldas da Rainha | 973.81 mi (1,567.20 km) |
| Grande-Synthe to Calheta | 1,602.02 mi (2,578.20 km) |
| Grande-Synthe to Camara de Lobos | 1,598.01 mi (2,571.76 km) |
| Grande-Synthe to Canico | 1,597.27 mi (2,570.56 km) |
| Grande-Synthe to Cantanhede | 903.45 mi (1,453.96 km) |
| Grande-Synthe to Carregal do Sal | 882.12 mi (1,419.64 km) |
| Grande-Synthe to Cartaxo | 979.69 mi (1,576.65 km) |
| Grande-Synthe to Cascais | 1,023.59 mi (1,647.30 km) |
