| Appenzell to Cascais | 1,118.49 mi (1,800.04 km) |
| Appenzell to Castelo Branco | 990.18 mi (1,593.54 km) |
| Appenzell to Castro Daire | 965.68 mi (1,554.10 km) |
| Appenzell to Celorico de Basto | 950.74 mi (1,530.07 km) |
| Appenzell to Chamusca | 1,051.37 mi (1,692.02 km) |
| Appenzell to Chaves | 914.59 mi (1,471.90 km) |
| Appenzell to Cinfaes | 966.97 mi (1,556.18 km) |
| Appenzell to Coimbra | 1,013.90 mi (1,631.72 km) |
| Appenzell to Condeixa-a-Nova | 1,020.71 mi (1,642.67 km) |
| Appenzell to Corroios | 1,110.95 mi (1,787.90 km) |
| Appenzell to Coruche | 1,069.94 mi (1,721.90 km) |
| Appenzell to Costa de Caparica | 1,113.22 mi (1,791.56 km) |
| Appenzell to Covilha | 971.03 mi (1,562.72 km) |
| Appenzell to Eiras | 1,012.45 mi (1,629.39 km) |
| Appenzell to Elvas | 1,016.78 mi (1,636.35 km) |
