| Grantham to Cascais | 1,067.61 mi (1,718.14 km) |
| Grantham to Castelo Branco | 961.44 mi (1,547.28 km) |
| Grantham to Castro Daire | 897.81 mi (1,444.89 km) |
| Grantham to Celorico de Basto | 867.71 mi (1,396.45 km) |
| Grantham to Chamusca | 1,008.46 mi (1,622.97 km) |
| Grantham to Chaves | 835.04 mi (1,343.86 km) |
| Grantham to Cinfaes | 888.47 mi (1,429.85 km) |
| Grantham to Coimbra | 951.44 mi (1,531.20 km) |
| Grantham to Condeixa-a-Nova | 958.85 mi (1,543.12 km) |
| Grantham to Corroios | 1,068.27 mi (1,719.21 km) |
| Grantham to Coruche | 1,034.92 mi (1,665.55 km) |
| Grantham to Costa de Caparica | 1,067.86 mi (1,718.56 km) |
| Grantham to Covilha | 930.73 mi (1,497.86 km) |
| Grantham to Eiras | 949.34 mi (1,527.81 km) |
| Grantham to Elvas | 1,019.07 mi (1,640.03 km) |
