| Duchcov to Bombarral | 1,357.74 mi (2,185.07 km) |
| Duchcov to Bougado | 1,240.67 mi (1,996.66 km) |
| Duchcov to Braga | 1,225.87 mi (1,972.85 km) |
| Duchcov to Braganca | 1,147.80 mi (1,847.21 km) |
| Duchcov to Cabeceiras de Basto | 1,210.25 mi (1,947.71 km) |
| Duchcov to Cacem | 1,387.25 mi (2,232.56 km) |
| Duchcov to Cadaval | 1,357.20 mi (2,184.20 km) |
| Duchcov to Caldas da Rainha | 1,350.46 mi (2,173.36 km) |
| Duchcov to Calheta | 1,993.48 mi (3,208.19 km) |
| Duchcov to Camara de Lobos | 1,987.67 mi (3,198.85 km) |
| Duchcov to Canico | 1,985.44 mi (3,195.25 km) |
| Duchcov to Cantanhede | 1,285.87 mi (2,069.40 km) |
| Duchcov to Carregal do Sal | 1,258.33 mi (2,025.09 km) |
| Duchcov to Cartaxo | 1,348.74 mi (2,170.59 km) |
| Duchcov to Cascais | 1,394.84 mi (2,244.78 km) |
