| Altensteig to Castelo Branco | 998.33 mi (1,606.66 km) |
| Altensteig to Castro Daire | 966.73 mi (1,555.80 km) |
| Altensteig to Celorico de Basto | 948.88 mi (1,527.08 km) |
| Altensteig to Chamusca | 1,058.69 mi (1,703.80 km) |
| Altensteig to Chaves | 912.20 mi (1,468.05 km) |
| Altensteig to Cinfaes | 966.31 mi (1,555.13 km) |
| Altensteig to Coimbra | 1,017.12 mi (1,636.90 km) |
| Altensteig to Condeixa-a-Nova | 1,024.20 mi (1,648.29 km) |
| Altensteig to Corroios | 1,119.60 mi (1,801.82 km) |
| Altensteig to Coruche | 1,078.97 mi (1,736.43 km) |
| Altensteig to Costa de Caparica | 1,121.49 mi (1,804.86 km) |
| Altensteig to Covilha | 976.77 mi (1,571.95 km) |
| Altensteig to Eiras | 1,015.53 mi (1,634.34 km) |
| Altensteig to Elvas | 1,030.71 mi (1,658.76 km) |
| Altensteig to Entroncamento | 1,052.71 mi (1,694.17 km) |
