| Grass Valley to Caltagirone | 6,447.09 mi (10,375.59 km) |
| Grass Valley to Caltanissetta | 6,418.97 mi (10,330.34 km) |
| Grass Valley to Calvisano | 5,862.32 mi (9,434.49 km) |
| Grass Valley to Calvizzano | 6,225.19 mi (10,018.47 km) |
| Grass Valley to Camaiore | 5,940.46 mi (9,560.24 km) |
| Grass Valley to Cameri | 5,805.27 mi (9,342.67 km) |
| Grass Valley to Camisano Vicentino | 5,891.21 mi (9,480.98 km) |
| Grass Valley to Campagna | 6,264.70 mi (10,082.05 km) |
| Grass Valley to Campagnano di Roma | 6,102.66 mi (9,821.28 km) |
| Grass Valley to Campi Bisenzio | 5,971.06 mi (9,609.49 km) |
| Grass Valley to Campi Salentina | 6,360.41 mi (10,236.10 km) |
| Grass Valley to Campiglia Marittima | 5,998.41 mi (9,653.50 km) |
| Grass Valley to Campobasso | 6,200.16 mi (9,978.19 km) |
| Grass Valley to Campobello di Licata | 6,428.47 mi (10,345.63 km) |
| Grass Valley to Campobello di Mazara | 6,370.96 mi (10,253.07 km) |
