| Willoughby to Cascais | 3,691.75 mi (5,941.30 km) |
| Willoughby to Castelo Branco | 3,746.56 mi (6,029.51 km) |
| Willoughby to Castro Daire | 3,691.95 mi (5,941.61 km) |
| Willoughby to Celorico de Basto | 3,673.84 mi (5,912.47 km) |
| Willoughby to Chamusca | 3,715.21 mi (5,979.05 km) |
| Willoughby to Chaves | 3,687.27 mi (5,934.08 km) |
| Willoughby to Cinfaes | 3,676.41 mi (5,916.61 km) |
| Willoughby to Coimbra | 3,690.37 mi (5,939.07 km) |
| Willoughby to Condeixa-a-Nova | 3,690.02 mi (5,938.51 km) |
| Willoughby to Corroios | 3,707.19 mi (5,966.14 km) |
| Willoughby to Coruche | 3,725.81 mi (5,996.11 km) |
| Willoughby to Costa de Caparica | 3,702.18 mi (5,958.08 km) |
| Willoughby to Covilha | 3,731.63 mi (6,005.47 km) |
| Willoughby to Eiras | 3,689.63 mi (5,937.89 km) |
| Willoughby to Elvas | 3,793.99 mi (6,105.84 km) |
