| Duiven to Bombarral | 1,138.42 mi (1,832.11 km) |
| Duiven to Bougado | 1,004.72 mi (1,616.95 km) |
| Duiven to Braga | 988.70 mi (1,591.16 km) |
| Duiven to Braganca | 922.58 mi (1,484.74 km) |
| Duiven to Cabeceiras de Basto | 976.74 mi (1,571.92 km) |
| Duiven to Cacem | 1,171.44 mi (1,885.25 km) |
| Duiven to Cadaval | 1,138.72 mi (1,832.59 km) |
| Duiven to Caldas da Rainha | 1,129.94 mi (1,818.46 km) |
| Duiven to Calheta | 1,764.40 mi (2,839.53 km) |
| Duiven to Camara de Lobos | 1,760.01 mi (2,832.47 km) |
| Duiven to Canico | 1,758.96 mi (2,830.77 km) |
| Duiven to Cantanhede | 1,060.43 mi (1,706.60 km) |
| Duiven to Carregal do Sal | 1,037.33 mi (1,669.42 km) |
| Duiven to Cartaxo | 1,133.94 mi (1,824.90 km) |
| Duiven to Cascais | 1,178.75 mi (1,897.01 km) |
