| Sigmaringen to Castelo Branco | 1,005.48 mi (1,618.16 km) |
| Sigmaringen to Castro Daire | 977.10 mi (1,572.50 km) |
| Sigmaringen to Celorico de Basto | 960.56 mi (1,545.87 km) |
| Sigmaringen to Chamusca | 1,066.29 mi (1,716.02 km) |
| Sigmaringen to Chaves | 924.07 mi (1,487.15 km) |
| Sigmaringen to Cinfaes | 977.47 mi (1,573.08 km) |
| Sigmaringen to Coimbra | 1,026.56 mi (1,652.10 km) |
| Sigmaringen to Condeixa-a-Nova | 1,033.52 mi (1,663.29 km) |
| Sigmaringen to Corroios | 1,126.63 mi (1,813.14 km) |
| Sigmaringen to Coruche | 1,085.79 mi (1,747.41 km) |
| Sigmaringen to Costa de Caparica | 1,128.70 mi (1,816.47 km) |
| Sigmaringen to Covilha | 985.00 mi (1,585.21 km) |
| Sigmaringen to Eiras | 1,025.03 mi (1,649.63 km) |
| Sigmaringen to Elvas | 1,035.19 mi (1,665.97 km) |
| Sigmaringen to Entroncamento | 1,060.53 mi (1,706.76 km) |
