| Quincy to Cullman (Alabama) | 1,021.57 mi (1,644.05 km) |
| Quincy to Culpeper (Virginia) | 450.66 mi (725.26 km) |
| Quincy to Culver City (California) | 2,602.63 mi (4,188.53 km) |
| Quincy to Cumberland (Maryland) | 441.79 mi (710.99 km) |
| Quincy to Cupertino (California) | 2,690.16 mi (4,329.39 km) |
| Quincy to Cutler Bay (Florida) | 1,267.95 mi (2,040.56 km) |
| Quincy to Cutlerville (Michigan) | 746.15 mi (1,200.81 km) |
| Quincy to Cuyahoga Falls (Ohio) | 546.53 mi (879.55 km) |
| Quincy to Cypress (California) | 2,590.27 mi (4,168.64 km) |
| Quincy to Cypress Gardens (Florida) | 1,152.10 mi (1,854.12 km) |
| Quincy to Cypress Lake (Florida) | 1,247.83 mi (2,008.19 km) |
| Quincy to D'Iberville (Mississippi) | 1,280.79 mi (2,061.23 km) |
| Quincy to Dakota Ridge (Colorado) | 1,778.04 mi (2,861.47 km) |
| Quincy to Dale City (Virginia) | 415.32 mi (668.40 km) |
| Quincy to Dallas (Georgia) | 944.95 mi (1,520.75 km) |
