| Grenchen to Campo de Criptana | 753.19 mi (1,212.15 km) |
| Grenchen to Campos del Puerto | 579.32 mi (932.33 km) |
| Grenchen to Canals | 696.01 mi (1,120.13 km) |
| Grenchen to Candelaria | 1,823.92 mi (2,935.32 km) |
| Grenchen to Canet de Mar | 453.84 mi (730.39 km) |
| Grenchen to Cangas | 861.94 mi (1,387.16 km) |
| Grenchen to Cangas de Narcea | 731.99 mi (1,178.02 km) |
| Grenchen to Canovellas | 460.22 mi (740.65 km) |
| Grenchen to Canteras | 788.52 mi (1,268.99 km) |
| Grenchen to Cantillana | 942.88 mi (1,517.42 km) |
| Grenchen to Capdepera | 554.23 mi (891.94 km) |
| Grenchen to Carballo | 827.73 mi (1,332.10 km) |
| Grenchen to Carcagente | 682.70 mi (1,098.70 km) |
| Grenchen to Cardedeu | 456.77 mi (735.09 km) |
| Grenchen to Carlet | 678.77 mi (1,092.37 km) |
