| Grangemouth to Cascais | 1,224.51 mi (1,970.66 km) |
| Grangemouth to Castelo Branco | 1,132.19 mi (1,822.08 km) |
| Grangemouth to Castro Daire | 1,061.36 mi (1,708.10 km) |
| Grangemouth to Celorico de Basto | 1,028.95 mi (1,655.93 km) |
| Grangemouth to Chamusca | 1,171.70 mi (1,885.66 km) |
| Grangemouth to Chaves | 1,000.33 mi (1,609.88 km) |
| Grangemouth to Cinfaes | 1,049.39 mi (1,688.83 km) |
| Grangemouth to Coimbra | 1,112.52 mi (1,790.43 km) |
| Grangemouth to Condeixa-a-Nova | 1,119.58 mi (1,801.78 km) |
| Grangemouth to Corroios | 1,227.76 mi (1,975.89 km) |
| Grangemouth to Coruche | 1,198.88 mi (1,929.42 km) |
| Grangemouth to Costa de Caparica | 1,226.53 mi (1,973.90 km) |
| Grangemouth to Covilha | 1,100.24 mi (1,770.66 km) |
| Grangemouth to Eiras | 1,110.36 mi (1,786.96 km) |
| Grangemouth to Elvas | 1,195.07 mi (1,923.28 km) |
