| Grenchen to Cadiz | 1,016.18 mi (1,635.38 km) |
| Grenchen to Calafell | 504.28 mi (811.56 km) |
| Grenchen to Calahorra | 569.70 mi (916.85 km) |
| Grenchen to Calasparra | 771.22 mi (1,241.15 km) |
| Grenchen to Calatayud | 601.30 mi (967.70 km) |
| Grenchen to Caldas de Montbuy | 462.43 mi (744.20 km) |
| Grenchen to Caldas de Reyes | 844.44 mi (1,359.00 km) |
| Grenchen to Calella | 450.21 mi (724.54 km) |
| Grenchen to Callosa de Segura | 753.63 mi (1,212.85 km) |
| Grenchen to Calpe | 697.14 mi (1,121.94 km) |
| Grenchen to Calvia | 580.98 mi (935.00 km) |
| Grenchen to Camas | 960.99 mi (1,546.57 km) |
| Grenchen to Cambados | 855.03 mi (1,376.04 km) |
| Grenchen to Cambre | 809.81 mi (1,303.27 km) |
| Grenchen to Cambrils | 526.75 mi (847.72 km) |
