| Siegburg to Bombarral | 1,123.50 mi (1,808.09 km) |
| Siegburg to Bougado | 995.61 mi (1,602.28 km) |
| Siegburg to Braga | 979.99 mi (1,577.14 km) |
| Siegburg to Braganca | 908.50 mi (1,462.09 km) |
| Siegburg to Cabeceiras de Basto | 966.43 mi (1,555.33 km) |
| Siegburg to Cacem | 1,155.37 mi (1,859.39 km) |
| Siegburg to Cadaval | 1,123.48 mi (1,808.06 km) |
| Siegburg to Caldas da Rainha | 1,115.43 mi (1,795.11 km) |
| Siegburg to Calheta | 1,755.54 mi (2,825.27 km) |
| Siegburg to Camara de Lobos | 1,750.60 mi (2,817.32 km) |
| Siegburg to Canico | 1,749.09 mi (2,814.89 km) |
| Siegburg to Cantanhede | 1,047.42 mi (1,685.66 km) |
| Siegburg to Carregal do Sal | 1,022.43 mi (1,645.45 km) |
| Siegburg to Cartaxo | 1,117.28 mi (1,798.08 km) |
| Siegburg to Cascais | 1,162.82 mi (1,871.38 km) |
