| Altenburg to Bombarral | 1,319.38 mi (2,123.34 km) |
| Altenburg to Bougado | 1,198.99 mi (1,929.59 km) |
| Altenburg to Braga | 1,183.93 mi (1,905.34 km) |
| Altenburg to Braganca | 1,107.57 mi (1,782.47 km) |
| Altenburg to Cabeceiras de Basto | 1,168.88 mi (1,881.12 km) |
| Altenburg to Cacem | 1,349.61 mi (2,171.99 km) |
| Altenburg to Cadaval | 1,318.99 mi (2,122.71 km) |
| Altenburg to Caldas da Rainha | 1,311.87 mi (2,111.25 km) |
| Altenburg to Calheta | 1,954.84 mi (3,146.00 km) |
| Altenburg to Camara de Lobos | 1,949.28 mi (3,137.07 km) |
| Altenburg to Canico | 1,947.26 mi (3,133.82 km) |
| Altenburg to Cantanhede | 1,246.18 mi (2,005.54 km) |
| Altenburg to Carregal do Sal | 1,219.31 mi (1,962.30 km) |
| Altenburg to Cartaxo | 1,311.15 mi (2,110.09 km) |
| Altenburg to Cascais | 1,357.18 mi (2,184.17 km) |
