| Diekirch to Cookeville (Tennessee) | 4,433.06 mi (7,134.33 km) |
| Diekirch to Coolidge (Arizona) | 5,564.66 mi (8,955.45 km) |
| Diekirch to Coon Rapids (Minnesota) | 4,292.38 mi (6,907.92 km) |
| Diekirch to Cooper City (Florida) | 4,710.98 mi (7,581.59 km) |
| Diekirch to Coos Bay (Oregon) | 5,333.99 mi (8,584.22 km) |
| Diekirch to Copiague (New York) | 3,735.11 mi (6,011.08 km) |
| Diekirch to Coppell (Texas) | 5,041.19 mi (8,113.01 km) |
| Diekirch to Copperas Cove (Texas) | 5,173.10 mi (8,325.30 km) |
| Diekirch to Coral Gables (Florida) | 4,727.42 mi (7,608.06 km) |
| Diekirch to Coral Springs (Florida) | 4,698.66 mi (7,561.77 km) |
| Diekirch to Coral Terrace (Florida) | 4,726.73 mi (7,606.94 km) |
| Diekirch to Coralville (Iowa) | 4,398.58 mi (7,078.83 km) |
| Diekirch to Coram (New York) | 3,710.24 mi (5,971.05 km) |
| Diekirch to Corcoran (California) | 5,637.51 mi (9,072.69 km) |
| Diekirch to Cordele (Georgia) | 4,566.09 mi (7,348.41 km) |
