| Walnut Creek to Cascais | 5,633.48 mi (9,066.20 km) |
| Walnut Creek to Castelo Branco | 5,655.75 mi (9,102.04 km) |
| Walnut Creek to Castro Daire | 5,587.78 mi (8,992.67 km) |
| Walnut Creek to Celorico de Basto | 5,562.43 mi (8,951.87 km) |
| Walnut Creek to Chamusca | 5,639.73 mi (9,076.26 km) |
| Walnut Creek to Chaves | 5,565.46 mi (8,956.74 km) |
| Walnut Creek to Cinfaes | 5,570.73 mi (8,965.22 km) |
| Walnut Creek to Coimbra | 5,601.26 mi (9,014.35 km) |
| Walnut Creek to Condeixa-a-Nova | 5,602.97 mi (9,017.10 km) |
| Walnut Creek to Corroios | 5,648.02 mi (9,089.61 km) |
| Walnut Creek to Coruche | 5,656.55 mi (9,103.34 km) |
| Walnut Creek to Costa de Caparica | 5,643.26 mi (9,081.94 km) |
| Walnut Creek to Covilha | 5,633.56 mi (9,066.33 km) |
| Walnut Creek to Eiras | 5,600.00 mi (9,012.33 km) |
| Walnut Creek to Elvas | 5,714.60 mi (9,196.76 km) |
