| Grenchen to Busto Arsizio | 129.24 mi (208.00 km) |
| Grenchen to Busto Garolfo | 133.90 mi (215.50 km) |
| Grenchen to Cabras | 504.64 mi (812.13 km) |
| Grenchen to Cadelbosco di Sopra | 227.36 mi (365.89 km) |
| Grenchen to Cadoneghe | 247.59 mi (398.47 km) |
| Grenchen to Cagli | 358.04 mi (576.20 km) |
| Grenchen to Cagliari | 556.87 mi (896.20 km) |
| Grenchen to Cairo Montenotte | 197.31 mi (317.55 km) |
| Grenchen to Caivano | 550.33 mi (885.67 km) |
| Grenchen to Calcinaia | 288.21 mi (463.83 km) |
| Grenchen to Calcinato | 187.24 mi (301.33 km) |
| Grenchen to Calderara di Reno | 259.79 mi (418.10 km) |
| Grenchen to Caldogno | 224.04 mi (360.55 km) |
| Grenchen to Calenzano | 293.26 mi (471.96 km) |
| Grenchen to Calolziocorte | 136.44 mi (219.58 km) |
