| Fort Madison to Candler-McAfee (Georgia) | 614.97 mi (989.70 km) |
| Fort Madison to Caño Martin Peña (Puerto Rico) | 2,144.20 mi (3,450.76 km) |
| Fort Madison to Cañon City (Colorado) | 753.40 mi (1,212.49 km) |
| Fort Madison to Canóvanas (Puerto Rico) | 2,153.69 mi (3,466.04 km) |
| Fort Madison to Canton (Georgia) | 578.95 mi (931.74 km) |
| Fort Madison to Canton (Illinois) | 68.85 mi (110.80 km) |
| Fort Madison to Canton (Mississippi) | 559.14 mi (899.84 km) |
| Fort Madison to Canton (Ohio) | 522.71 mi (841.22 km) |
| Fort Madison to Canyon (Texas) | 694.99 mi (1,118.49 km) |
| Fort Madison to Canyon Lake (California) | 1,498.61 mi (2,411.77 km) |
| Fort Madison to Canyon Lake (Texas) | 837.84 mi (1,348.38 km) |
| Fort Madison to Cape Coral (Florida) | 1,103.91 mi (1,776.57 km) |
| Fort Madison to Cape Girardeau (Missouri) | 248.09 mi (399.26 km) |
| Fort Madison to Carbondale (Illinois) | 230.40 mi (370.79 km) |
| Fort Madison to Carlisle (Pennsylvania) | 744.05 mi (1,197.44 km) |
