| Grenchen to Cascais | 1,029.59 mi (1,656.97 km) |
| Grenchen to Castelo Branco | 901.42 mi (1,450.70 km) |
| Grenchen to Castro Daire | 874.44 mi (1,407.27 km) |
| Grenchen to Celorico de Basto | 858.65 mi (1,381.87 km) |
| Grenchen to Chamusca | 962.35 mi (1,548.76 km) |
| Grenchen to Chaves | 822.32 mi (1,323.40 km) |
| Grenchen to Cinfaes | 875.23 mi (1,408.54 km) |
| Grenchen to Coimbra | 923.40 mi (1,486.07 km) |
| Grenchen to Condeixa-a-Nova | 930.30 mi (1,497.18 km) |
| Grenchen to Corroios | 1,022.50 mi (1,645.55 km) |
| Grenchen to Coruche | 981.60 mi (1,579.73 km) |
| Grenchen to Costa de Caparica | 1,024.63 mi (1,648.97 km) |
| Grenchen to Covilha | 881.35 mi (1,418.39 km) |
| Grenchen to Eiras | 921.90 mi (1,483.66 km) |
| Grenchen to Elvas | 930.47 mi (1,497.45 km) |
