| Quincy to Candler-McAfee (Georgia) | 929.59 mi (1,496.02 km) |
| Quincy to Caño Martin Peña (Puerto Rico) | 1,671.45 mi (2,689.94 km) |
| Quincy to Cañon City (Colorado) | 1,807.78 mi (2,909.34 km) |
| Quincy to Canóvanas (Puerto Rico) | 1,677.21 mi (2,699.21 km) |
| Quincy to Canton (Georgia) | 914.70 mi (1,472.07 km) |
| Quincy to Canton (Illinois) | 990.55 mi (1,594.13 km) |
| Quincy to Canton (Mississippi) | 1,233.86 mi (1,985.71 km) |
| Quincy to Canton (Ohio) | 544.13 mi (875.70 km) |
| Quincy to Canyon (Texas) | 1,731.04 mi (2,785.84 km) |
| Quincy to Canyon Lake (California) | 2,554.66 mi (4,111.33 km) |
| Quincy to Canyon Lake (Texas) | 1,734.20 mi (2,790.92 km) |
| Quincy to Cape Coral (Florida) | 1,244.04 mi (2,002.10 km) |
| Quincy to Cape Girardeau (Missouri) | 1,039.41 mi (1,672.77 km) |
| Quincy to Carbondale (Illinois) | 1,010.93 mi (1,626.94 km) |
| Quincy to Carlisle (Pennsylvania) | 351.13 mi (565.09 km) |
