| Quincy to Crawfordsville (Indiana) | 838.83 mi (1,349.97 km) |
| Quincy to Crest Hill (Illinois) | 878.69 mi (1,414.12 km) |
| Quincy to Crestview (Florida) | 1,170.58 mi (1,883.87 km) |
| Quincy to Crestwood (Illinois) | 858.90 mi (1,382.27 km) |
| Quincy to Crestwood (Missouri) | 1,047.55 mi (1,685.86 km) |
| Quincy to Creve Coeur (Missouri) | 1,048.34 mi (1,687.14 km) |
| Quincy to Crofton (Maryland) | 371.50 mi (597.87 km) |
| Quincy to Crossville (Tennessee) | 866.54 mi (1,394.56 km) |
| Quincy to Crowley (Louisiana) | 1,445.15 mi (2,325.74 km) |
| Quincy to Crowley (Texas) | 1,583.86 mi (2,548.97 km) |
| Quincy to Crown Point (Indiana) | 841.23 mi (1,353.82 km) |
| Quincy to Crystal (Minnesota) | 1,129.76 mi (1,818.17 km) |
| Quincy to Crystal Lake (Illinois) | 884.22 mi (1,423.01 km) |
| Quincy to Cudahy (California) | 2,593.05 mi (4,173.11 km) |
| Quincy to Cudahy (Wisconsin) | 856.68 mi (1,378.69 km) |
