| Fountain Valley to Cascais | 5,659.79 mi (9,108.55 km) |
| Fountain Valley to Castelo Branco | 5,693.80 mi (9,163.29 km) |
| Fountain Valley to Castro Daire | 5,629.76 mi (9,060.23 km) |
| Fountain Valley to Celorico de Basto | 5,606.58 mi (9,022.92 km) |
| Fountain Valley to Chamusca | 5,672.29 mi (9,128.67 km) |
| Fountain Valley to Chaves | 5,613.03 mi (9,033.30 km) |
| Fountain Valley to Cinfaes | 5,613.06 mi (9,033.35 km) |
| Fountain Valley to Coimbra | 5,638.26 mi (9,073.90 km) |
| Fountain Valley to Condeixa-a-Nova | 5,639.27 mi (9,075.53 km) |
| Fountain Valley to Corroios | 5,674.77 mi (9,132.66 km) |
| Fountain Valley to Coruche | 5,687.03 mi (9,152.40 km) |
| Fountain Valley to Costa de Caparica | 5,669.88 mi (9,124.79 km) |
| Fountain Valley to Covilha | 5,673.89 mi (9,131.25 km) |
| Fountain Valley to Eiras | 5,637.17 mi (9,072.14 km) |
| Fountain Valley to Elvas | 5,749.16 mi (9,252.38 km) |
