| Mont-de-Marsan to Castelo Branco | 456.87 mi (735.26 km) |
| Mont-de-Marsan to Castro Daire | 431.67 mi (694.70 km) |
| Mont-de-Marsan to Celorico de Basto | 418.51 mi (673.52 km) |
| Mont-de-Marsan to Chamusca | 517.70 mi (833.15 km) |
| Mont-de-Marsan to Chaves | 383.11 mi (616.56 km) |
| Mont-de-Marsan to Cinfaes | 433.80 mi (698.13 km) |
| Mont-de-Marsan to Coimbra | 479.37 mi (771.47 km) |
| Mont-de-Marsan to Condeixa-a-Nova | 486.16 mi (782.40 km) |
| Mont-de-Marsan to Corroios | 578.05 mi (930.28 km) |
| Mont-de-Marsan to Coruche | 537.25 mi (864.62 km) |
| Mont-de-Marsan to Costa de Caparica | 580.10 mi (933.58 km) |
| Mont-de-Marsan to Covilha | 436.71 mi (702.82 km) |
| Mont-de-Marsan to Eiras | 477.93 mi (769.15 km) |
| Mont-de-Marsan to Elvas | 488.89 mi (786.80 km) |
| Mont-de-Marsan to Entroncamento | 512.00 mi (823.98 km) |
