| Grass Valley to Cold Springs (Nevada) | 65.85 mi (105.98 km) |
| Grass Valley to Coldwater (Michigan) | 1,887.13 mi (3,037.05 km) |
| Grass Valley to Colesville (Maryland) | 2,336.46 mi (3,760.17 km) |
| Grass Valley to College (Alaska) | 2,071.19 mi (3,333.25 km) |
| Grass Valley to College Park (Georgia) | 2,055.92 mi (3,308.68 km) |
| Grass Valley to College Park (Maryland) | 2,341.30 mi (3,767.96 km) |
| Grass Valley to College Station (Texas) | 1,518.14 mi (2,443.20 km) |
| Grass Valley to Collegedale (Tennessee) | 1,990.66 mi (3,203.66 km) |
| Grass Valley to Colleyville (Texas) | 1,400.14 mi (2,253.30 km) |
| Grass Valley to Collierville (Tennessee) | 1,742.04 mi (2,803.54 km) |
| Grass Valley to Collinsville (Illinois) | 1,660.41 mi (2,672.17 km) |
| Grass Valley to Colonia (New Jersey) | 2,449.41 mi (3,941.94 km) |
| Grass Valley to Colonial Heights (Virginia) | 2,349.79 mi (3,781.63 km) |
| Grass Valley to Colonial Park (Pennsylvania) | 2,326.41 mi (3,744.00 km) |
| Grass Valley to Colorado Springs (Colorado) | 873.40 mi (1,405.60 km) |
