| Castanet-Tolosan to Castelo Branco | 529.69 mi (852.45 km) |
| Castanet-Tolosan to Castro Daire | 515.04 mi (828.87 km) |
| Castanet-Tolosan to Celorico de Basto | 505.81 mi (814.03 km) |
| Castanet-Tolosan to Chamusca | 591.18 mi (951.41 km) |
| Castanet-Tolosan to Chaves | 471.91 mi (759.47 km) |
| Castanet-Tolosan to Cinfaes | 519.30 mi (835.73 km) |
| Castanet-Tolosan to Coimbra | 559.05 mi (899.70 km) |
| Castanet-Tolosan to Condeixa-a-Nova | 565.38 mi (909.89 km) |
| Castanet-Tolosan to Corroios | 649.16 mi (1,044.72 km) |
| Castanet-Tolosan to Coruche | 608.07 mi (978.60 km) |
| Castanet-Tolosan to Costa de Caparica | 651.75 mi (1,048.88 km) |
| Castanet-Tolosan to Covilha | 513.44 mi (826.30 km) |
| Castanet-Tolosan to Eiras | 557.82 mi (897.73 km) |
| Castanet-Tolosan to Elvas | 552.11 mi (888.53 km) |
| Castanet-Tolosan to Entroncamento | 586.26 mi (943.50 km) |
