| Den Helder to Castelo Branco | 1,074.81 mi (1,729.74 km) |
| Den Helder to Castro Daire | 1,021.24 mi (1,643.53 km) |
| Den Helder to Celorico de Basto | 994.69 mi (1,600.80 km) |
| Den Helder to Chamusca | 1,128.37 mi (1,815.93 km) |
| Den Helder to Chaves | 959.23 mi (1,543.73 km) |
| Den Helder to Cinfaes | 1,014.95 mi (1,633.40 km) |
| Den Helder to Coimbra | 1,075.45 mi (1,730.77 km) |
| Den Helder to Condeixa-a-Nova | 1,082.97 mi (1,742.87 km) |
| Den Helder to Corroios | 1,190.22 mi (1,915.48 km) |
| Den Helder to Coruche | 1,153.24 mi (1,855.96 km) |
| Den Helder to Costa de Caparica | 1,190.67 mi (1,916.19 km) |
| Den Helder to Covilha | 1,046.59 mi (1,684.32 km) |
| Den Helder to Eiras | 1,073.47 mi (1,727.58 km) |
| Den Helder to Elvas | 1,124.49 mi (1,809.69 km) |
| Den Helder to Entroncamento | 1,121.03 mi (1,804.13 km) |
