| Grass Valley to Cloverleaf (Texas) | 1,603.88 mi (2,581.19 km) |
| Grass Valley to Cloverly (Maryland) | 2,335.96 mi (3,759.37 km) |
| Grass Valley to Clovis (California) | 181.54 mi (292.16 km) |
| Grass Valley to Clovis (New Mexico) | 1,039.49 mi (1,672.90 km) |
| Grass Valley to Clute (Texas) | 1,620.07 mi (2,607.25 km) |
| Grass Valley to Coachella (California) | 469.49 mi (755.57 km) |
| Grass Valley to Coalinga (California) | 216.62 mi (348.61 km) |
| Grass Valley to Coamo (Puerto Rico) | 3,561.45 mi (5,731.60 km) |
| Grass Valley to Coatesville (Pennsylvania) | 2,382.13 mi (3,833.66 km) |
| Grass Valley to Cockeysville (Maryland) | 2,348.75 mi (3,779.94 km) |
| Grass Valley to Cocoa (Florida) | 2,408.87 mi (3,876.70 km) |
| Grass Valley to Cocoa Beach (Florida) | 2,417.97 mi (3,891.35 km) |
| Grass Valley to Coconut Creek (Florida) | 2,512.56 mi (4,043.58 km) |
| Grass Valley to Coeur d'Alene (Idaho) | 623.38 mi (1,003.23 km) |
| Grass Valley to Cohoes (New York) | 2,448.54 mi (3,940.55 km) |
