| Grenchen to Carmignano | 291.61 mi (469.30 km) |
| Grenchen to Carovigno | 678.79 mi (1,092.41 km) |
| Grenchen to Carpenedolo | 192.12 mi (309.19 km) |
| Grenchen to Carpi | 235.93 mi (379.70 km) |
| Grenchen to Carrara | 251.51 mi (404.76 km) |
| Grenchen to Carugate | 146.19 mi (235.28 km) |
| Grenchen to Casal di Principe | 541.49 mi (871.45 km) |
| Grenchen to Casale Monferrato | 150.89 mi (242.84 km) |
| Grenchen to Casale sul Sile | 259.59 mi (417.78 km) |
| Grenchen to Casalecchio di Reno | 264.51 mi (425.68 km) |
| Grenchen to Casalgrande | 241.22 mi (388.20 km) |
| Grenchen to Casalmaggiore | 210.03 mi (338.01 km) |
| Grenchen to Casalnuovo di Napoli | 553.72 mi (891.13 km) |
| Grenchen to Casalpusterlengo | 175.94 mi (283.16 km) |
| Grenchen to Casaluce | 544.46 mi (876.23 km) |
