| Langenthal to Cascais | 1,046.44 mi (1,684.08 km) |
| Langenthal to Castelo Branco | 918.23 mi (1,477.74 km) |
| Langenthal to Castro Daire | 891.77 mi (1,435.17 km) |
| Langenthal to Celorico de Basto | 876.17 mi (1,410.06 km) |
| Langenthal to Chamusca | 979.22 mi (1,575.90 km) |
| Langenthal to Chaves | 839.88 mi (1,351.66 km) |
| Langenthal to Cinfaes | 892.67 mi (1,436.62 km) |
| Langenthal to Coimbra | 940.58 mi (1,513.72 km) |
| Langenthal to Condeixa-a-Nova | 947.46 mi (1,524.79 km) |
| Langenthal to Corroios | 1,039.25 mi (1,672.51 km) |
| Langenthal to Coruche | 998.33 mi (1,606.65 km) |
| Langenthal to Costa de Caparica | 1,041.41 mi (1,675.99 km) |
| Langenthal to Covilha | 898.35 mi (1,445.75 km) |
| Langenthal to Eiras | 939.09 mi (1,511.33 km) |
| Langenthal to Elvas | 946.76 mi (1,523.66 km) |
