| Quincy to Central Point (Oregon) | 2,608.57 mi (4,198.09 km) |
| Quincy to Centralia (Illinois) | 984.88 mi (1,585.00 km) |
| Quincy to Centralia (Washington) | 2,532.45 mi (4,075.59 km) |
| Quincy to Centreville (Virginia) | 411.14 mi (661.66 km) |
| Quincy to Ceres (California) | 2,627.93 mi (4,229.24 km) |
| Quincy to Cerritos (California) | 2,590.20 mi (4,168.53 km) |
| Quincy to Chalco (Nebraska) | 1,292.79 mi (2,080.55 km) |
| Quincy to Chalmette (Louisiana) | 1,351.75 mi (2,175.43 km) |
| Quincy to Chambersburg (Pennsylvania) | 380.80 mi (612.83 km) |
| Quincy to Chamblee (Georgia) | 923.37 mi (1,486.03 km) |
| Quincy to Champaign (Illinois) | 907.71 mi (1,460.81 km) |
| Quincy to Champlin (Minnesota) | 1,131.58 mi (1,821.10 km) |
| Quincy to Chandler (Arizona) | 2,290.94 mi (3,686.91 km) |
| Quincy to Chanhassen (Minnesota) | 1,139.31 mi (1,833.54 km) |
| Quincy to Channahon (Illinois) | 887.88 mi (1,428.91 km) |
