| Grenchen to Castelletto sopra Ticino | 117.63 mi (189.30 km) |
| Grenchen to Castelli Calepio | 160.61 mi (258.48 km) |
| Grenchen to Castelnovo ne' Monti | 239.16 mi (384.90 km) |
| Grenchen to Castelnuovo Berardenga | 332.18 mi (534.60 km) |
| Grenchen to Castelnuovo di Porto | 429.91 mi (691.87 km) |
| Grenchen to Castelnuovo di Verona | 201.50 mi (324.28 km) |
| Grenchen to Castelnuovo Rangone | 249.43 mi (401.41 km) |
| Grenchen to Castelvetrano | 711.76 mi (1,145.46 km) |
| Grenchen to Castelvetro di Modena | 252.56 mi (406.45 km) |
| Grenchen to Castenaso | 269.66 mi (433.98 km) |
| Grenchen to Castenedolo | 182.38 mi (293.52 km) |
| Grenchen to Castiglion Fiorentino | 344.84 mi (554.97 km) |
| Grenchen to Castiglione del Lago | 360.04 mi (579.42 km) |
| Grenchen to Castiglione delle Stiviere | 193.00 mi (310.60 km) |
| Grenchen to Castrolibero | 700.66 mi (1,127.61 km) |
