| Grass Valley to Central Point (Oregon) | 238.52 mi (383.86 km) |
| Grass Valley to Centralia (Illinois) | 1,709.27 mi (2,750.80 km) |
| Grass Valley to Centralia (Washington) | 527.04 mi (848.19 km) |
| Grass Valley to Centreville (Virginia) | 2,317.79 mi (3,730.13 km) |
| Grass Valley to Ceres (California) | 112.63 mi (181.26 km) |
| Grass Valley to Cerritos (California) | 405.36 mi (652.37 km) |
| Grass Valley to Chalco (Nebraska) | 1,317.29 mi (2,119.98 km) |
| Grass Valley to Chalmette (Louisiana) | 1,869.83 mi (3,009.20 km) |
| Grass Valley to Chambersburg (Pennsylvania) | 2,288.40 mi (3,682.83 km) |
| Grass Valley to Chamblee (Georgia) | 2,058.43 mi (3,312.73 km) |
| Grass Valley to Champaign (Illinois) | 1,734.48 mi (2,791.37 km) |
| Grass Valley to Champlin (Minnesota) | 1,466.18 mi (2,359.59 km) |
| Grass Valley to Chandler (Arizona) | 656.13 mi (1,055.94 km) |
| Grass Valley to Chanhassen (Minnesota) | 1,455.51 mi (2,342.41 km) |
| Grass Valley to Channahon (Illinois) | 1,723.74 mi (2,774.10 km) |
