| Zollikon to Cascais | 1,083.51 mi (1,743.75 km) |
| Zollikon to Castelo Branco | 955.25 mi (1,537.33 km) |
| Zollikon to Castro Daire | 929.46 mi (1,495.82 km) |
| Zollikon to Celorico de Basto | 914.06 mi (1,471.03 km) |
| Zollikon to Chamusca | 1,016.32 mi (1,635.61 km) |
| Zollikon to Chaves | 877.80 mi (1,412.69 km) |
| Zollikon to Cinfaes | 930.48 mi (1,497.46 km) |
| Zollikon to Coimbra | 978.08 mi (1,574.07 km) |
| Zollikon to Condeixa-a-Nova | 984.94 mi (1,585.11 km) |
| Zollikon to Corroios | 1,076.19 mi (1,731.97 km) |
| Zollikon to Coruche | 1,035.24 mi (1,666.05 km) |
| Zollikon to Costa de Caparica | 1,078.40 mi (1,735.51 km) |
| Zollikon to Covilha | 935.63 mi (1,505.75 km) |
| Zollikon to Eiras | 976.61 mi (1,571.70 km) |
| Zollikon to Elvas | 983.07 mi (1,582.10 km) |
