| Geilenkirchen to Castelo Branco | 1,011.62 mi (1,628.05 km) |
| Geilenkirchen to Castro Daire | 966.21 mi (1,554.96 km) |
| Geilenkirchen to Celorico de Basto | 942.83 mi (1,517.34 km) |
| Geilenkirchen to Chamusca | 1,068.58 mi (1,719.72 km) |
| Geilenkirchen to Chaves | 906.30 mi (1,458.54 km) |
| Geilenkirchen to Cinfaes | 962.23 mi (1,548.56 km) |
| Geilenkirchen to Coimbra | 1,019.61 mi (1,640.90 km) |
| Geilenkirchen to Condeixa-a-Nova | 1,027.04 mi (1,652.87 km) |
| Geilenkirchen to Corroios | 1,130.75 mi (1,819.77 km) |
| Geilenkirchen to Coruche | 1,091.89 mi (1,757.23 km) |
| Geilenkirchen to Costa de Caparica | 1,131.78 mi (1,821.43 km) |
| Geilenkirchen to Covilha | 985.69 mi (1,586.32 km) |
| Geilenkirchen to Eiras | 1,017.76 mi (1,637.93 km) |
| Geilenkirchen to Elvas | 1,055.04 mi (1,697.92 km) |
| Geilenkirchen to Entroncamento | 1,061.71 mi (1,708.65 km) |
