| Difficult Run to Benavente | 3,590.05 mi (5,777.62 km) |
| Difficult Run to Bombarral | 3,564.39 mi (5,736.33 km) |
| Difficult Run to Bougado | 3,539.66 mi (5,696.53 km) |
| Difficult Run to Braga | 3,540.98 mi (5,698.65 km) |
| Difficult Run to Braganca | 3,614.10 mi (5,816.34 km) |
| Difficult Run to Cabeceiras de Basto | 3,560.81 mi (5,730.58 km) |
| Difficult Run to Cacem | 3,570.23 mi (5,745.72 km) |
| Difficult Run to Cadaval | 3,568.05 mi (5,742.22 km) |
| Difficult Run to Caldas da Rainha | 3,561.64 mi (5,731.91 km) |
| Difficult Run to Calheta | 3,338.15 mi (5,372.23 km) |
| Difficult Run to Camara de Lobos | 3,348.91 mi (5,389.55 km) |
| Difficult Run to Canico | 3,357.23 mi (5,402.93 km) |
| Difficult Run to Cantanhede | 3,563.43 mi (5,734.78 km) |
| Difficult Run to Carregal do Sal | 3,590.07 mi (5,777.66 km) |
| Difficult Run to Cartaxo | 3,585.91 mi (5,770.97 km) |
