| Gengenbach to Castelo Branco | 968.66 mi (1,558.90 km) |
| Gengenbach to Castro Daire | 936.90 mi (1,507.79 km) |
| Gengenbach to Celorico de Basto | 919.04 mi (1,479.05 km) |
| Gengenbach to Chamusca | 1,028.98 mi (1,655.98 km) |
| Gengenbach to Chaves | 882.36 mi (1,420.02 km) |
| Gengenbach to Cinfaes | 936.47 mi (1,507.11 km) |
| Gengenbach to Coimbra | 987.32 mi (1,588.94 km) |
| Gengenbach to Condeixa-a-Nova | 994.40 mi (1,600.33 km) |
| Gengenbach to Corroios | 1,089.92 mi (1,754.06 km) |
| Gengenbach to Coruche | 1,049.31 mi (1,688.70 km) |
| Gengenbach to Costa de Caparica | 1,091.80 mi (1,757.08 km) |
| Gengenbach to Covilha | 947.02 mi (1,524.08 km) |
| Gengenbach to Eiras | 985.72 mi (1,586.37 km) |
| Gengenbach to Elvas | 1,001.28 mi (1,611.40 km) |
| Gengenbach to Entroncamento | 1,022.98 mi (1,646.33 km) |
