| Kalkar to Castelo Branco | 1,054.77 mi (1,697.49 km) |
| Kalkar to Castro Daire | 1,007.23 mi (1,620.98 km) |
| Kalkar to Celorico de Basto | 982.98 mi (1,581.96 km) |
| Kalkar to Chamusca | 1,110.98 mi (1,787.95 km) |
| Kalkar to Chaves | 946.65 mi (1,523.49 km) |
| Kalkar to Cinfaes | 1,002.64 mi (1,613.60 km) |
| Kalkar to Coimbra | 1,060.93 mi (1,707.41 km) |
| Kalkar to Condeixa-a-Nova | 1,068.40 mi (1,719.43 km) |
| Kalkar to Corroios | 1,173.16 mi (1,888.01 km) |
| Kalkar to Coruche | 1,134.71 mi (1,826.13 km) |
| Kalkar to Costa de Caparica | 1,174.04 mi (1,889.44 km) |
| Kalkar to Covilha | 1,028.23 mi (1,654.78 km) |
| Kalkar to Eiras | 1,059.05 mi (1,704.37 km) |
| Kalkar to Elvas | 1,099.75 mi (1,769.88 km) |
| Kalkar to Entroncamento | 1,103.98 mi (1,776.68 km) |
