| Birkenau to Bombarral | 1,127.65 mi (1,814.78 km) |
| Birkenau to Bougado | 1,007.76 mi (1,621.84 km) |
| Birkenau to Braga | 992.79 mi (1,597.74 km) |
| Birkenau to Braganca | 915.98 mi (1,474.12 km) |
| Birkenau to Cabeceiras de Basto | 977.55 mi (1,573.22 km) |
| Birkenau to Cacem | 1,157.90 mi (1,863.46 km) |
| Birkenau to Cadaval | 1,127.26 mi (1,814.15 km) |
| Birkenau to Caldas da Rainha | 1,120.14 mi (1,802.69 km) |
| Birkenau to Calheta | 1,763.12 mi (2,837.46 km) |
| Birkenau to Camara de Lobos | 1,757.55 mi (2,828.51 km) |
| Birkenau to Canico | 1,755.53 mi (2,825.25 km) |
| Birkenau to Cantanhede | 1,054.52 mi (1,697.09 km) |
| Birkenau to Carregal do Sal | 1,027.60 mi (1,653.76 km) |
| Birkenau to Cartaxo | 1,119.44 mi (1,801.57 km) |
| Birkenau to Cascais | 1,165.47 mi (1,875.64 km) |
