| Chepstow to Cascais | 951.59 mi (1,531.44 km) |
| Chepstow to Castelo Branco | 849.06 mi (1,366.43 km) |
| Chepstow to Castro Daire | 783.02 mi (1,260.15 km) |
| Chepstow to Celorico de Basto | 752.16 mi (1,210.49 km) |
| Chepstow to Chamusca | 893.95 mi (1,438.68 km) |
| Chepstow to Chaves | 720.50 mi (1,159.53 km) |
| Chepstow to Cinfaes | 772.92 mi (1,243.89 km) |
| Chepstow to Coimbra | 836.16 mi (1,345.66 km) |
| Chepstow to Condeixa-a-Nova | 843.50 mi (1,357.48 km) |
| Chepstow to Corroios | 952.91 mi (1,533.56 km) |
| Chepstow to Coruche | 920.69 mi (1,481.71 km) |
| Chepstow to Costa de Caparica | 952.29 mi (1,532.56 km) |
| Chepstow to Covilha | 817.85 mi (1,316.19 km) |
| Chepstow to Eiras | 834.03 mi (1,342.24 km) |
| Chepstow to Elvas | 908.68 mi (1,462.38 km) |
