| Luxembourg to Castelo Branco | 949.03 mi (1,527.31 km) |
| Luxembourg to Castro Daire | 908.54 mi (1,462.16 km) |
| Luxembourg to Celorico de Basto | 887.20 mi (1,427.81 km) |
| Luxembourg to Chamusca | 1,007.47 mi (1,621.37 km) |
| Luxembourg to Chaves | 850.41 mi (1,368.60 km) |
| Luxembourg to Cinfaes | 905.93 mi (1,457.95 km) |
| Luxembourg to Coimbra | 961.06 mi (1,546.67 km) |
| Luxembourg to Condeixa-a-Nova | 968.39 mi (1,558.47 km) |
| Luxembourg to Corroios | 1,069.42 mi (1,721.07 km) |
| Luxembourg to Coruche | 1,029.77 mi (1,657.25 km) |
| Luxembourg to Costa de Caparica | 1,070.77 mi (1,723.24 km) |
| Luxembourg to Covilha | 924.57 mi (1,487.95 km) |
| Luxembourg to Eiras | 959.30 mi (1,543.84 km) |
| Luxembourg to Elvas | 988.74 mi (1,591.22 km) |
| Luxembourg to Entroncamento | 1,000.90 mi (1,610.79 km) |
