| Clydebank to Cascais | 1,210.62 mi (1,948.30 km) |
| Clydebank to Castelo Branco | 1,120.19 mi (1,802.78 km) |
| Clydebank to Castro Daire | 1,048.62 mi (1,687.60 km) |
| Clydebank to Celorico de Basto | 1,016.01 mi (1,635.11 km) |
| Clydebank to Chamusca | 1,158.67 mi (1,864.69 km) |
| Clydebank to Chaves | 987.97 mi (1,589.99 km) |
| Clydebank to Cinfaes | 1,036.36 mi (1,667.86 km) |
| Clydebank to Coimbra | 1,099.36 mi (1,769.25 km) |
| Clydebank to Condeixa-a-Nova | 1,106.35 mi (1,780.50 km) |
| Clydebank to Corroios | 1,214.16 mi (1,954.01 km) |
| Clydebank to Coruche | 1,185.89 mi (1,908.50 km) |
| Clydebank to Costa de Caparica | 1,212.83 mi (1,951.87 km) |
| Clydebank to Covilha | 1,088.15 mi (1,751.21 km) |
| Clydebank to Eiras | 1,097.20 mi (1,765.77 km) |
| Clydebank to Elvas | 1,183.64 mi (1,904.88 km) |
