| Arco to Castelo Branco | 1,018.78 mi (1,639.57 km) |
| Arco to Castro Daire | 1,003.15 mi (1,614.41 km) |
| Arco to Celorico de Basto | 991.84 mi (1,596.21 km) |
| Arco to Chamusca | 1,080.27 mi (1,738.52 km) |
| Arco to Chaves | 956.78 mi (1,539.79 km) |
| Arco to Cinfaes | 1,006.44 mi (1,619.71 km) |
| Arco to Coimbra | 1,048.21 mi (1,686.92 km) |
| Arco to Condeixa-a-Nova | 1,054.61 mi (1,697.23 km) |
| Arco to Corroios | 1,137.57 mi (1,830.75 km) |
| Arco to Coruche | 1,096.53 mi (1,764.69 km) |
| Arco to Costa de Caparica | 1,140.31 mi (1,835.15 km) |
| Arco to Covilha | 1,002.82 mi (1,613.88 km) |
| Arco to Eiras | 1,046.95 mi (1,684.90 km) |
| Arco to Elvas | 1,037.86 mi (1,670.27 km) |
| Arco to Entroncamento | 1,075.47 mi (1,730.81 km) |
