| Derry to Cascais | 1,129.78 mi (1,818.21 km) |
| Derry to Castelo Branco | 1,048.52 mi (1,687.42 km) |
| Derry to Castro Daire | 974.02 mi (1,567.53 km) |
| Derry to Celorico de Basto | 940.73 mi (1,513.95 km) |
| Derry to Chamusca | 1,082.03 mi (1,741.36 km) |
| Derry to Chaves | 915.58 mi (1,473.49 km) |
| Derry to Cinfaes | 960.50 mi (1,545.78 km) |
| Derry to Coimbra | 1,022.46 mi (1,645.50 km) |
| Derry to Condeixa-a-Nova | 1,029.14 mi (1,656.25 km) |
| Derry to Corroios | 1,134.67 mi (1,826.08 km) |
| Derry to Coruche | 1,109.26 mi (1,785.19 km) |
| Derry to Costa de Caparica | 1,132.91 mi (1,823.25 km) |
| Derry to Covilha | 1,016.28 mi (1,635.54 km) |
| Derry to Eiras | 1,020.31 mi (1,642.03 km) |
| Derry to Elvas | 1,114.17 mi (1,793.08 km) |
