| Grass Valley to Conyers (Georgia) | 2,080.22 mi (3,347.79 km) |
| Grass Valley to Cookeville (Tennessee) | 1,942.44 mi (3,126.06 km) |
| Grass Valley to Coolidge (Arizona) | 686.13 mi (1,104.21 km) |
| Grass Valley to Coon Rapids (Minnesota) | 1,470.14 mi (2,365.96 km) |
| Grass Valley to Cooper City (Florida) | 2,515.58 mi (4,048.44 km) |
| Grass Valley to Coos Bay (Oregon) | 331.11 mi (532.88 km) |
| Grass Valley to Copiague (New York) | 2,495.17 mi (4,015.58 km) |
| Grass Valley to Coppell (Texas) | 1,406.36 mi (2,263.31 km) |
| Grass Valley to Copperas Cove (Texas) | 1,416.50 mi (2,279.64 km) |
| Grass Valley to Coral Gables (Florida) | 2,528.81 mi (4,069.73 km) |
| Grass Valley to Coral Springs (Florida) | 2,508.96 mi (4,037.77 km) |
| Grass Valley to Coral Terrace (Florida) | 2,525.49 mi (4,064.38 km) |
| Grass Valley to Coralville (Iowa) | 1,550.25 mi (2,494.88 km) |
| Grass Valley to Coram (New York) | 2,511.38 mi (4,041.68 km) |
| Grass Valley to Corcoran (California) | 231.75 mi (372.96 km) |
