| Heum to Castelo Branco | 1,538.29 mi (2,475.63 km) |
| Heum to Castro Daire | 1,480.09 mi (2,381.98 km) |
| Heum to Celorico de Basto | 1,451.64 mi (2,336.19 km) |
| Heum to Chamusca | 1,589.34 mi (2,557.79 km) |
| Heum to Chaves | 1,417.39 mi (2,281.06 km) |
| Heum to Cinfaes | 1,472.25 mi (2,369.36 km) |
| Heum to Coimbra | 1,534.27 mi (2,469.17 km) |
| Heum to Condeixa-a-Nova | 1,541.77 mi (2,481.24 km) |
| Heum to Corroios | 1,650.48 mi (2,656.20 km) |
| Heum to Coruche | 1,615.01 mi (2,599.10 km) |
| Heum to Costa de Caparica | 1,650.53 mi (2,656.27 km) |
| Heum to Covilha | 1,508.94 mi (2,428.40 km) |
| Heum to Eiras | 1,532.22 mi (2,465.87 km) |
| Heum to Elvas | 1,590.98 mi (2,560.44 km) |
| Heum to Entroncamento | 1,581.77 mi (2,545.61 km) |
