| San Diego to Cascais | 5,664.15 mi (9,115.56 km) |
| San Diego to Castelo Branco | 5,700.59 mi (9,174.21 km) |
| San Diego to Castro Daire | 5,637.45 mi (9,072.59 km) |
| San Diego to Celorico de Basto | 5,614.75 mi (9,036.06 km) |
| San Diego to Chamusca | 5,677.95 mi (9,137.78 km) |
| San Diego to Chaves | 5,621.90 mi (9,047.58 km) |
| San Diego to Cinfaes | 5,620.83 mi (9,045.86 km) |
| San Diego to Coimbra | 5,644.88 mi (9,084.56 km) |
| San Diego to Condeixa-a-Nova | 5,645.75 mi (9,085.95 km) |
| San Diego to Corroios | 5,679.21 mi (9,139.80 km) |
| San Diego to Coruche | 5,692.24 mi (9,160.77 km) |
| San Diego to Costa de Caparica | 5,674.29 mi (9,131.89 km) |
| San Diego to Covilha | 5,681.18 mi (9,142.98 km) |
| San Diego to Eiras | 5,643.83 mi (9,082.87 km) |
| San Diego to Elvas | 5,755.15 mi (9,262.03 km) |
