| American Canyon to Cascais | 5,628.99 mi (9,058.99 km) |
| American Canyon to Castelo Branco | 5,650.55 mi (9,093.68 km) |
| American Canyon to Castro Daire | 5,582.37 mi (8,983.96 km) |
| American Canyon to Celorico de Basto | 5,556.89 mi (8,942.96 km) |
| American Canyon to Chamusca | 5,634.86 mi (9,068.43 km) |
| American Canyon to Chaves | 5,559.72 mi (8,947.50 km) |
| American Canyon to Cinfaes | 5,565.30 mi (8,956.48 km) |
| American Canyon to Coimbra | 5,596.14 mi (9,006.12 km) |
| American Canyon to Condeixa-a-Nova | 5,597.89 mi (9,008.93 km) |
| American Canyon to Corroios | 5,643.50 mi (9,082.34 km) |
| American Canyon to Coruche | 5,651.81 mi (9,095.71 km) |
| American Canyon to Costa de Caparica | 5,638.75 mi (9,074.69 km) |
| American Canyon to Covilha | 5,628.23 mi (9,057.76 km) |
| American Canyon to Eiras | 5,594.87 mi (9,004.08 km) |
| American Canyon to Elvas | 5,709.59 mi (9,188.70 km) |
