| Allen Park to Cascais | 3,760.87 mi (6,052.53 km) |
| Allen Park to Castelo Branco | 3,812.92 mi (6,136.30 km) |
| Allen Park to Castro Daire | 3,756.96 mi (6,046.24 km) |
| Allen Park to Celorico de Basto | 3,738.16 mi (6,015.99 km) |
| Allen Park to Chamusca | 3,782.83 mi (6,087.88 km) |
| Allen Park to Chaves | 3,750.74 mi (6,036.23 km) |
| Allen Park to Cinfaes | 3,741.24 mi (6,020.95 km) |
| Allen Park to Coimbra | 3,756.70 mi (6,045.83 km) |
| Allen Park to Condeixa-a-Nova | 3,756.54 mi (6,045.56 km) |
| Allen Park to Corroios | 3,776.27 mi (6,077.31 km) |
| Allen Park to Coruche | 3,794.02 mi (6,105.89 km) |
| Allen Park to Costa de Caparica | 3,771.26 mi (6,069.26 km) |
| Allen Park to Covilha | 3,797.30 mi (6,111.16 km) |
| Allen Park to Eiras | 3,755.92 mi (6,044.57 km) |
| Allen Park to Elvas | 3,861.50 mi (6,214.48 km) |
