| Rancho San Diego to Cascais | 5,658.45 mi (9,106.40 km) |
| Rancho San Diego to Castelo Branco | 5,695.25 mi (9,165.62 km) |
| Rancho San Diego to Castro Daire | 5,632.25 mi (9,064.22 km) |
| Rancho San Diego to Celorico de Basto | 5,609.62 mi (9,027.81 km) |
| Rancho San Diego to Chamusca | 5,672.45 mi (9,128.92 km) |
| Rancho San Diego to Chaves | 5,616.89 mi (9,039.50 km) |
| Rancho San Diego to Cinfaes | 5,615.65 mi (9,037.51 km) |
| Rancho San Diego to Coimbra | 5,639.52 mi (9,075.94 km) |
| Rancho San Diego to Condeixa-a-Nova | 5,640.37 mi (9,077.30 km) |
| Rancho San Diego to Corroios | 5,673.52 mi (9,130.65 km) |
| Rancho San Diego to Coruche | 5,686.67 mi (9,151.81 km) |
| Rancho San Diego to Costa de Caparica | 5,668.61 mi (9,122.74 km) |
| Rancho San Diego to Covilha | 5,675.92 mi (9,134.51 km) |
| Rancho San Diego to Eiras | 5,638.48 mi (9,074.25 km) |
| Rancho San Diego to Elvas | 5,749.70 mi (9,253.25 km) |
