| Tadley to Cascais | 961.59 mi (1,547.53 km) |
| Tadley to Castelo Branco | 853.44 mi (1,373.48 km) |
| Tadley to Castro Daire | 791.18 mi (1,273.29 km) |
| Tadley to Celorico de Basto | 761.63 mi (1,225.73 km) |
| Tadley to Chamusca | 901.52 mi (1,450.86 km) |
| Tadley to Chaves | 728.35 mi (1,172.17 km) |
| Tadley to Cinfaes | 782.36 mi (1,259.09 km) |
| Tadley to Coimbra | 845.06 mi (1,359.99 km) |
| Tadley to Condeixa-a-Nova | 852.51 mi (1,371.97 km) |
| Tadley to Corroios | 961.79 mi (1,547.86 km) |
| Tadley to Coruche | 927.78 mi (1,493.12 km) |
| Tadley to Costa de Caparica | 961.53 mi (1,547.44 km) |
| Tadley to Covilha | 823.00 mi (1,324.49 km) |
| Tadley to Eiras | 842.97 mi (1,356.63 km) |
| Tadley to Elvas | 910.24 mi (1,464.90 km) |
