| Duffel to Castelo Branco | 970.47 mi (1,561.82 km) |
| Duffel to Castro Daire | 921.43 mi (1,482.90 km) |
| Duffel to Celorico de Basto | 896.70 mi (1,443.09 km) |
| Duffel to Chamusca | 1,026.04 mi (1,651.26 km) |
| Duffel to Chaves | 860.50 mi (1,384.85 km) |
| Duffel to Cinfaes | 916.49 mi (1,474.95 km) |
| Duffel to Coimbra | 975.29 mi (1,569.57 km) |
| Duffel to Condeixa-a-Nova | 982.77 mi (1,581.62 km) |
| Duffel to Corroios | 1,088.19 mi (1,751.27 km) |
| Duffel to Coruche | 1,050.07 mi (1,689.93 km) |
| Duffel to Costa de Caparica | 1,088.97 mi (1,752.52 km) |
| Duffel to Covilha | 943.46 mi (1,518.36 km) |
| Duffel to Eiras | 973.38 mi (1,566.51 km) |
| Duffel to Elvas | 1,016.86 mi (1,636.47 km) |
| Duffel to Entroncamento | 1,018.95 mi (1,639.85 km) |
