| Grass Valley to Cassina de' Pecchi | 5,825.02 mi (9,374.47 km) |
| Grass Valley to Cassino | 6,180.53 mi (9,946.61 km) |
| Grass Valley to Castagneto Carducci | 5,992.29 mi (9,643.66 km) |
| Grass Valley to Castano Primo | 5,805.88 mi (9,343.66 km) |
| Grass Valley to Castel Bolognese | 5,961.66 mi (9,594.37 km) |
| Grass Valley to Castel Gandolfo | 6,132.50 mi (9,869.31 km) |
| Grass Valley to Castel Goffredo | 5,868.83 mi (9,444.97 km) |
| Grass Valley to Castel Maggiore | 5,935.27 mi (9,551.90 km) |
| Grass Valley to Castel Mella | 5,848.30 mi (9,411.93 km) |
| Grass Valley to Castel San Giorgio | 6,246.63 mi (10,052.97 km) |
| Grass Valley to Castel San Giovanni | 5,852.92 mi (9,419.37 km) |
| Grass Valley to Castel San Pietro Terme | 5,950.83 mi (9,576.94 km) |
| Grass Valley to Castel Volturno | 6,208.91 mi (9,992.27 km) |
| Grass Valley to Castelbuono | 6,394.47 mi (10,290.91 km) |
| Grass Valley to Casteldaccia | 6,370.78 mi (10,252.78 km) |
