| Didymoteicho to Castelo Branco | 1,775.81 mi (2,857.89 km) |
| Didymoteicho to Castro Daire | 1,780.50 mi (2,865.44 km) |
| Didymoteicho to Celorico de Basto | 1,776.95 mi (2,859.72 km) |
| Didymoteicho to Chamusca | 1,834.77 mi (2,952.77 km) |
| Didymoteicho to Chaves | 1,745.39 mi (2,808.94 km) |
| Didymoteicho to Cinfaes | 1,787.74 mi (2,877.09 km) |
| Didymoteicho to Coimbra | 1,816.75 mi (2,923.77 km) |
| Didymoteicho to Condeixa-a-Nova | 1,821.96 mi (2,932.16 km) |
| Didymoteicho to Corroios | 1,883.54 mi (3,031.27 km) |
| Didymoteicho to Coruche | 1,844.53 mi (2,968.49 km) |
| Didymoteicho to Costa de Caparica | 1,887.30 mi (3,037.32 km) |
| Didymoteicho to Covilha | 1,767.97 mi (2,845.27 km) |
| Didymoteicho to Eiras | 1,815.96 mi (2,922.51 km) |
| Didymoteicho to Elvas | 1,775.28 mi (2,857.04 km) |
| Didymoteicho to Entroncamento | 1,831.85 mi (2,948.07 km) |
