| Siechnice to Bombarral | 1,505.48 mi (2,422.84 km) |
| Siechnice to Bougado | 1,390.35 mi (2,237.55 km) |
| Siechnice to Braga | 1,375.69 mi (2,213.96 km) |
| Siechnice to Braganca | 1,296.81 mi (2,087.02 km) |
| Siechnice to Cabeceiras de Basto | 1,359.81 mi (2,188.40 km) |
| Siechnice to Cacem | 1,534.50 mi (2,469.54 km) |
| Siechnice to Cadaval | 1,504.85 mi (2,421.82 km) |
| Siechnice to Caldas da Rainha | 1,498.36 mi (2,411.38 km) |
| Siechnice to Calheta | 2,141.06 mi (3,445.71 km) |
| Siechnice to Camara de Lobos | 2,135.09 mi (3,436.09 km) |
| Siechnice to Canico | 2,132.71 mi (3,432.27 km) |
| Siechnice to Cantanhede | 1,434.47 mi (2,308.56 km) |
| Siechnice to Carregal do Sal | 1,406.57 mi (2,263.65 km) |
| Siechnice to Cartaxo | 1,496.00 mi (2,407.57 km) |
| Siechnice to Cascais | 1,542.10 mi (2,481.77 km) |
