| Grass Valley to Cullman (Alabama) | 1,915.29 mi (3,082.36 km) |
| Grass Valley to Culpeper (Virginia) | 2,295.10 mi (3,693.61 km) |
| Grass Valley to Culver City (California) | 389.39 mi (626.67 km) |
| Grass Valley to Cumberland (Maryland) | 2,235.75 mi (3,598.10 km) |
| Grass Valley to Cupertino (California) | 142.37 mi (229.13 km) |
| Grass Valley to Cutler Bay (Florida) | 2,530.09 mi (4,071.78 km) |
| Grass Valley to Cutlerville (Michigan) | 1,847.04 mi (2,972.52 km) |
| Grass Valley to Cuyahoga Falls (Ohio) | 2,072.73 mi (3,335.74 km) |
| Grass Valley to Cypress (California) | 409.26 mi (658.64 km) |
| Grass Valley to Cypress Gardens (Florida) | 2,372.74 mi (3,818.55 km) |
| Grass Valley to Cypress Lake (Florida) | 2,412.53 mi (3,882.59 km) |
| Grass Valley to D'Iberville (Mississippi) | 1,909.04 mi (3,072.30 km) |
| Grass Valley to Dakota Ridge (Colorado) | 848.93 mi (1,366.22 km) |
| Grass Valley to Dale City (Virginia) | 2,326.05 mi (3,743.41 km) |
| Grass Valley to Dallas (Georgia) | 2,028.72 mi (3,264.91 km) |
