| Erkrath to Castelo Branco | 1,048.91 mi (1,688.06 km) |
| Erkrath to Castro Daire | 1,004.12 mi (1,615.98 km) |
| Erkrath to Celorico de Basto | 980.95 mi (1,578.69 km) |
| Erkrath to Chamusca | 1,106.11 mi (1,780.11 km) |
| Erkrath to Chaves | 944.38 mi (1,519.83 km) |
| Erkrath to Cinfaes | 1,000.29 mi (1,609.81 km) |
| Erkrath to Coimbra | 1,057.44 mi (1,701.79 km) |
| Erkrath to Condeixa-a-Nova | 1,064.87 mi (1,713.74 km) |
| Erkrath to Corroios | 1,168.26 mi (1,880.13 km) |
| Erkrath to Coruche | 1,129.28 mi (1,817.40 km) |
| Erkrath to Costa de Caparica | 1,169.34 mi (1,881.87 km) |
| Erkrath to Covilha | 1,023.19 mi (1,646.66 km) |
| Erkrath to Eiras | 1,055.60 mi (1,698.83 km) |
| Erkrath to Elvas | 1,091.73 mi (1,756.97 km) |
| Erkrath to Entroncamento | 1,099.27 mi (1,769.10 km) |
