| Knowle to Cascais | 1,014.85 mi (1,633.24 km) |
| Knowle to Castelo Branco | 910.76 mi (1,465.73 km) |
| Knowle to Castro Daire | 845.73 mi (1,361.07 km) |
| Knowle to Celorico de Basto | 815.18 mi (1,311.91 km) |
| Knowle to Chamusca | 956.58 mi (1,539.47 km) |
| Knowle to Chaves | 783.08 mi (1,260.24 km) |
| Knowle to Cinfaes | 835.94 mi (1,345.32 km) |
| Knowle to Coimbra | 899.09 mi (1,446.95 km) |
| Knowle to Condeixa-a-Nova | 906.46 mi (1,458.81 km) |
| Knowle to Corroios | 1,015.91 mi (1,634.94 km) |
| Knowle to Coruche | 983.21 mi (1,582.33 km) |
| Knowle to Costa de Caparica | 1,015.37 mi (1,634.08 km) |
| Knowle to Covilha | 879.76 mi (1,415.83 km) |
| Knowle to Eiras | 896.97 mi (1,443.54 km) |
| Knowle to Elvas | 969.53 mi (1,560.31 km) |
