| Solothurn to Cascais | 1,036.10 mi (1,667.44 km) |
| Solothurn to Castelo Branco | 907.92 mi (1,461.15 km) |
| Solothurn to Castro Daire | 881.04 mi (1,417.89 km) |
| Solothurn to Celorico de Basto | 865.28 mi (1,392.54 km) |
| Solothurn to Chamusca | 968.87 mi (1,559.24 km) |
| Solothurn to Chaves | 828.96 mi (1,334.08 km) |
| Solothurn to Cinfaes | 881.85 mi (1,419.20 km) |
| Solothurn to Coimbra | 929.97 mi (1,496.65 km) |
| Solothurn to Condeixa-a-Nova | 936.87 mi (1,507.75 km) |
| Solothurn to Corroios | 1,028.98 mi (1,655.99 km) |
| Solothurn to Coruche | 988.08 mi (1,590.16 km) |
| Solothurn to Costa de Caparica | 1,031.12 mi (1,659.43 km) |
| Solothurn to Covilha | 887.89 mi (1,428.92 km) |
| Solothurn to Eiras | 928.48 mi (1,494.24 km) |
| Solothurn to Elvas | 936.85 mi (1,507.72 km) |
