| Grass Valley to Commerce (California) | 395.32 mi (636.21 km) |
| Grass Valley to Commerce City (Colorado) | 863.58 mi (1,389.80 km) |
| Grass Valley to Compton (California) | 400.24 mi (644.12 km) |
| Grass Valley to Comstock Park (Michigan) | 1,845.80 mi (2,970.53 km) |
| Grass Valley to Concord (California) | 100.53 mi (161.79 km) |
| Grass Valley to Concord (Missouri) | 1,644.05 mi (2,645.85 km) |
| Grass Valley to Concord (New Hampshire) | 2,549.14 mi (4,102.44 km) |
| Grass Valley to Concord (North Carolina) | 2,218.33 mi (3,570.05 km) |
| Grass Valley to Conneaut (Ohio) | 2,113.01 mi (3,400.56 km) |
| Grass Valley to Connersville (Indiana) | 1,903.49 mi (3,063.36 km) |
| Grass Valley to Conroe (Texas) | 1,569.14 mi (2,525.28 km) |
| Grass Valley to Converse (Texas) | 1,454.75 mi (2,341.19 km) |
| Grass Valley to Conway (Arkansas) | 1,593.13 mi (2,563.89 km) |
| Grass Valley to Conway (Florida) | 2,375.01 mi (3,822.21 km) |
| Grass Valley to Conway (South Carolina) | 2,340.59 mi (3,766.82 km) |
