| Difficult Run to Cascais | 3,566.75 mi (5,740.12 km) |
| Difficult Run to Castelo Branco | 3,630.89 mi (5,843.35 km) |
| Difficult Run to Castro Daire | 3,581.11 mi (5,763.24 km) |
| Difficult Run to Celorico de Basto | 3,565.44 mi (5,738.02 km) |
| Difficult Run to Chamusca | 3,595.29 mi (5,786.07 km) |
| Difficult Run to Chaves | 3,581.71 mi (5,764.21 km) |
| Difficult Run to Cinfaes | 3,566.27 mi (5,739.35 km) |
| Difficult Run to Coimbra | 3,575.01 mi (5,753.43 km) |
| Difficult Run to Condeixa-a-Nova | 3,574.04 mi (5,751.86 km) |
| Difficult Run to Corroios | 3,582.25 mi (5,765.08 km) |
| Difficult Run to Coruche | 3,603.80 mi (5,799.76 km) |
| Difficult Run to Costa de Caparica | 3,577.23 mi (5,757.00 km) |
| Difficult Run to Covilha | 3,618.36 mi (5,823.19 km) |
| Difficult Run to Eiras | 3,574.45 mi (5,752.52 km) |
| Difficult Run to Elvas | 3,674.16 mi (5,912.99 km) |
