| Speyer to Castelo Branco | 1,019.09 mi (1,640.07 km) |
| Speyer to Castro Daire | 984.06 mi (1,583.69 km) |
| Speyer to Celorico de Basto | 964.80 mi (1,552.69 km) |
| Speyer to Chamusca | 1,078.85 mi (1,736.24 km) |
| Speyer to Chaves | 927.99 mi (1,493.46 km) |
| Speyer to Cinfaes | 982.78 mi (1,581.63 km) |
| Speyer to Coimbra | 1,035.37 mi (1,666.27 km) |
| Speyer to Condeixa-a-Nova | 1,042.56 mi (1,677.83 km) |
| Speyer to Corroios | 1,140.24 mi (1,835.04 km) |
| Speyer to Coruche | 1,099.91 mi (1,770.13 km) |
| Speyer to Costa de Caparica | 1,141.93 mi (1,837.77 km) |
| Speyer to Covilha | 996.41 mi (1,603.57 km) |
| Speyer to Eiras | 1,033.71 mi (1,663.59 km) |
| Speyer to Elvas | 1,054.18 mi (1,696.53 km) |
| Speyer to Entroncamento | 1,072.64 mi (1,726.24 km) |
