| Idil to Cookeville (Tennessee) | 6,345.81 mi (10,212.59 km) |
| Idil to Coolidge (Arizona) | 7,288.13 mi (11,729.11 km) |
| Idil to Coon Rapids (Minnesota) | 6,089.68 mi (9,800.40 km) |
| Idil to Cooper City (Florida) | 6,671.01 mi (10,735.96 km) |
| Idil to Coos Bay (Oregon) | 6,792.07 mi (10,930.77 km) |
| Idil to Copiague (New York) | 5,671.42 mi (9,127.27 km) |
| Idil to Coppell (Texas) | 6,904.75 mi (11,112.13 km) |
| Idil to Copperas Cove (Texas) | 7,041.57 mi (11,332.31 km) |
| Idil to Coral Gables (Florida) | 6,687.80 mi (10,762.98 km) |
| Idil to Coral Springs (Florida) | 6,658.49 mi (10,715.81 km) |
| Idil to Coral Terrace (Florida) | 6,687.04 mi (10,761.76 km) |
| Idil to Coralville (Iowa) | 6,238.41 mi (10,039.76 km) |
| Idil to Coram (New York) | 5,646.74 mi (9,087.55 km) |
| Idil to Corcoran (California) | 7,226.49 mi (11,629.92 km) |
| Idil to Cordele (Georgia) | 6,504.65 mi (10,468.22 km) |
